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(5α,10α,17β)-5,10-Epoxy-17-hydroxy-17-(1-propyn-1-yl)- estr-9(11)-en-3-one Cyclic 1,2-Ethanediyl Acetal (cas 84371-57-3)
Comprehensive Information Table Category Details Chemical Name (5α,10α,17β)-5,10-Epoxy-17-hydroxy-17-(1-propyn-1-yl)-estr-9(11)-en-3-one Cyclic 1,2-Ethanediyl Acetal CAS Number 84371-57-3 Synonyms 5α,10α-Epoxy-3,3-(ethylenedioxy)-17β-hydroxy-17α-(1-propynyl)-9(11)-estrene; CYMI-001 Chemical Formula C₂₃H₃₀O₄ Molecular Weight 370.48 EINECS Number Not explicitly listed in search results Melting Point 122–125°C Boiling Point Predicted ~533.5°C (based on similar steroids) Density 1.30 ± 0.1 g/cm³ (predicted) Solubility Sparingly soluble in chloroform and methanol (sonicated) Appearance White to pale yellow solid pKa Not explicitly reported; estimated ~12–13 (based on ketone and ether functionalities) Optical Activity [α]²⁵/D +71° ±5° (c = 1 in chloroform) Applications Pharmaceutical Intermediate: Critical precursor for synthesizing Mifepristone derivatives (antiprogestin drugs).Research Use: Progesterone receptor antagonist studies. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: ≤0.5% total impurities. Synthesis Pathway 1. Epoxidation: Selective epoxidation of estr-9(11)-ene using peracids.2. Propynyl Introduction: Grignard reaction with propynyl magnesium bromide at C17.3. Cyclization: Formation of 1,2-ethanediyl acetal via acid-catalyzed cyclization. Key Suppliers – Wuhan Dingxintong Pharmaceutical (Tel: 027-59207796, China)– Jingmen Dongxin Biotech (Tel: 13047189721, China)– Shenzhen Juhe Biochemical (Tel: +86-400-002-6226, China) Safety Information Risk Statements: H301 (Toxic if swallowed), H331 (Toxic if inhaled).Precautionary Measures: S22 (Avoid inhalation), S24/25 (Avoid contact), S61 (Avoid release to environment). MSDS Available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
11α-Hydroxyandrost-4-ene-317-dione (cas 564-33-0)
11β-Hydroxyandrost-4-ene-3,17-dione (564-33-0) Comprehensive Information Table Category Details Chemical Name (11β)-11-Hydroxyandrosta-1,4-dien-3,17-dione CAS Number 564-33-0 Synonyms 11-Hydroxyandrost-4-ene-3,17-dione; 11α-Hydroxyandrost-4-ene-3,17-dione; Androst-4-ene-3,17-dione,11-hydroxy-, (11β)- Chemical Formula C₁₉H₂₆O₃ Molecular Weight 302.41 EINECS Number 1312995-182-4 Melting Point 226–227°C Boiling Point 475.3 ± 45.0°C (predicted) Density 1.19 ± 0.1 g/cm³ (predicted) Solubility Sparingly soluble in chloroform and methanol (sonicated) Appearance Light yellow to orange solid pKa 14.49 ± 0.60 (predicted) Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Diagnostic Marker: Distinguishes adrenal vs. ovarian origin of hyperandrogenism in clinical diagnostics59.Pharmaceutical Intermediate: Precursor for synthesizing corticosteroids and androgenic agents.Research Use: Investigating steroidogenesis disorders (e.g., congenital adrenal hyperplasia). Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: ≤0.5% total impurities. Synthesis Pathway 1. Hydroxylation: Enzymatic introduction of 11β-hydroxyl group via adrenal-derived enzymes (e.g., CYP11B1) or chemical methods.2. Crystallization: Purification from steroid-rich extracts. Safety Information Risk Statements: R36/37/38 (irritating to eyes, respiratory system, skin)Precautionary Measures: S22 (Avoid inhalation), S24/25 (Avoid contact) MSDS Available from suppliers Supplementary Notes For detailed toxicological data or diagnostic protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
11α-Hydroxyandrosta -1,4-dien-3,17-dione (cas 7801-18-5)
11α-Hydroxyandrosta-1,4-diene-3,17-dione Comprehensive Information Table Category Details Chemical Name (11α)-11-Hydroxyandrosta-1,4-dien-3,17-dione CAS Number 7801-18-5 Synonyms 11-Hydroxy-1,4-androstadiene-3,17-dione; 11α-Hydroxyandrosta-1,4-dien-3,17-dione; Androsta-1,4-diene-3,17-dione,11-hydroxy-, (11α)- Chemical Formula C₁₉H₂₄O₃ Molecular Weight 300.39 EINECS Number 232-256-6 Melting Point 190–192°C Boiling Point 479.0 ± 45.0°C (predicted) Density 1.21 ± 0.1 g/cm³ (predicted) pKa 14.39 ± 0.60 (predicted) Appearance White to off-white solid Solubility Sparingly soluble in chloroform, DMSO, and methanol (sonicated) Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Pharmaceutical Intermediate: Key metabolite of testosterone; used in anti-osteoporosis drug development.Research Use: Steroid hormone metabolism studies. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: ≤0.5% total impurities. Synthesis Pathway 1. Hydroxylation: Introduction of 11α-hydroxyl group via microbial or chemical methods (e.g., Trichoderma hamatum enzymatic transformation).2. Isolation: Crystallization from organic solvents. Key Suppliers – J & K Scientific (Tel: 010-82848833, China)– Shenzhen Polymeri Biochemical (Tel: 13296077563, China)– Shanghai T&W Pharmaceutical (Tel: 021-61551413, China) Safety Information Risk Statements: R36/37/38 (irritating to eyes, respiratory system, skin)Precautionary Measures: S22 (Avoid inhalation), S24/25 (Avoid contact) MSDS Available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
11β,17α-dihydroxy-6α-methylpregna-1,4-diene-3,20-dione (cas 6870-94-6)
11β,17α-Dihydroxy-6α-methylpregna-1,4-diene-3,20-dione (6870-94-6) Comprehensive Information Table Category Details Chemical Name (6α,11β)-11,17-Dihydroxy-6-methylpregna-1,4-diene-3,20-dione CAS Number 6870-94-6 Synonyms NSC 125051, Fluorometholone Impurity 1, Methylprednisolone EP Impurity L, Cortisol-17β acid Chemical Formula C₂₂H₃₀O₄ Molecular Weight 358.47 EINECS Number 614-710-9 Melting Point 222–231°C Boiling Point 530.3 ± 50.0°C (predicted) Density 1.21 ± 0.1 g/cm³ (predicted) pKa 12.86 ± 0.70 (predicted) Appearance White to pale beige solid Solubility Slightly soluble in chloroform, DMSO, and methanol (sonicated) Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Pharmaceutical Intermediate: Critical impurity in fluorometholone synthesis; used for quality control in corticosteroid formulations.Research Use: Steroid metabolism studies and impurity profiling. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: Compliant with EP/USP standards (≤0.1% for key impurities). Synthesis Pathway 1. Hydroxylation: Introduction of 11β- and 17α-hydroxyl groups via microbial or chemical methods.2. Methylation: C6α-methylation using methylating agents (e.g., methyl iodide). Safety Information Hazard Codes: Xi (Irritant), N (Dangerous for the environment)Risk Statements: R36/37/38 (irritating to eyes, respiratory system, skin); R51/53 (toxic to aquatic life).Precautionary Measures: S22 (Avoid inhalation), S24/25 (Avoid contact), S61 (Avoid release to environment). MSDS Available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
11β,21-dihydroxypregna -1,4,16-triene-3,20-dione 21- acetate (cas 3044-42-6)
11β,21-dihydroxypregna -1,4,16-triene-3,20-dione 21- acetate 11β,21-Dihydroxypregna-1,4,16-Triene-3,20-Dione 21-Acetate Comprehensive Information Table Category Details Chemical Name (11β)-21-(Acetyloxy)-11-hydroxypregna-1,4,16-triene-3,20-dione CAS Number 3044-42-6 Synonyms Budesonide Impurity 3, Budesonide 1,4,16-Triene Impurity, 21-Acetoxy-11β-hydroxypregna-1,4,16-triene-3,20-dione Chemical Formula C₂₃H₂₈O₅ Molecular Weight 384.47 EINECS Number 221-250-9 Melting Point 208–209°C Boiling Point 553.4 ± 50.0°C (predicted) Density 1.24 ± 0.1 g/cm³ (predicted) Solubility Sparingly soluble in DCM and ethyl acetate Appearance Brown solid pKa 14.30 ± 0.70 (predicted) Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Pharmaceutical Intermediate: Critical precursor for synthesizing corticosteroids (e.g., budesonide).Research Use: Steroid metabolism studies and impurity profiling. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: Total impurities ≤0.5%. Synthesis Pathway 1. Hydroxylation: Introduction of 11β- and 17α-hydroxyl groups via microbial or chemical methods.2. Acetylation: 21-hydroxyl group acetylated using acetic anhydride. Safety Information Risk Statements: R36/37/38 (irritating to eyes, respiratory system, skin)Precautionary Measures: S22 (Avoid inhalation), S24/25 (Avoid contact) MSDS Available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
17alpha-Hydroxy-17β-cyanoandrost-4-en-3-on (cas 77881-13-1 )
17alpha-Hydroxy-17β-cyanoandrost-4-en-3-on (17α)-17-Hydroxy-3-oxoandrost-4-ene-17-carbonitrile Comprehensive Information Table Category Details Chemical Name (17α)-17-Hydroxy-3-oxoandrost-4-ene-17-carbonitrile CAS Number 77881-13-1 Synonyms Cyanohydrin matter, Androstenedione cyanohydrin, 17β-cyano-17α-hydroxyandrost-4-en-3-one Chemical Formula C₂₀H₂₇NO₂ Molecular Weight 313.43 EINECS Number 278-780-9 Melting Point 222–226°C Boiling Point 498.5 ± 45.0°C (predicted) Density 1.17 ± 0.1 g/cm³ (predicted) Vapor Pressure 0.001 Pa at 25°C pKa 11.20 ± 0.60 (predicted) Water Solubility 10 mg/L at 25°C Appearance White to off-white solid Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Pharmaceutical Intermediate: Key precursor for synthesizing glucocorticoids and antiandrogenic agents.Research Use: Steroid metabolism studies and antineoplastic drug development. Hazard Classification Non-flammable Storage Conditions Sealed in dry, stored at 2–8°C Safety Information Risk Statements: R36/37/38 (irritating to eyes, respiratory system, skin)Precautionary Measures: S22 (Avoid inhalation), S24/25 (Avoid contact) MSDS Available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
17-cyano-9,17-dihydroxyandrost -4-ene-3-one (cas 116256-35-0)
17-cyano-9,17-dihydroxyandrost -4-ene-3-one 17-Cyano-9,17-dihydroxyandrost-4-ene-3-one Comprehensive Information Table Category Details Chemical Name 17β-Cyano-9α,17α-dihydroxyandrost-4-ene-3-one CAS Number 116256-35-0 Synonyms 17β-Cyano-9α,17α-dihydroxyandrost-4-ene-3-one, Androst-4-ene-17-carbonitrile, 9α,17α-dihydroxy-3-oxo-, (17α)- Chemical Formula C₂₀H₂₇NO₃ Molecular Weight 329.43 EINECS Number 601-418-1 Melting Point 229–230°C Boiling Point 537.1°C (calculated) Density 1.24 g/cm³ (calculated) Storage Conditions Sealed in dry, stored at 2–8°C Solubility Sparingly soluble in chloroform and ethyl acetate; slightly soluble in methanol; water solubility 1.01 mg/L (20°C) Appearance Off-white to pale yellow solid Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Pharmaceutical Intermediate: Key precursor for synthesizing glucocorticoids and antiandrogenic drugs.Research Use: Steroid metabolism studies and antineoplastic drug development. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: Total impurities ≤0.5%. Synthesis Pathway 1. Hydroxylation: Introduction of 9α and 17α hydroxyl groups to androst-4-ene-3,17-dione via microbial or chemical methods.2. Cyanation: Conversion of the 17α-hydroxyl group to a cyano group using trimethylsilyl cyanide or cyanation reagents. Safety Information Hazard Codes: Xi (Irritant)Risk Statements: R36/37/38 (Irritating to eyes, respiratory system, skin)Precautionary Measures: S22 (Avoid inhalation of dust), S24/25 (Avoid contact with skin and eyes) MSDS Material Safety Data Sheet available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references (e.g., PubChem, ChemSpider).
17α-Hydroxyprogesterone Acetate (CAS 302-23-8)
17α-Hydroxyprogesterone Acetate Hydroxyprogesterone Acetate Comprehensive Information Table Category Details Chemical Name 17α-Hydroxy-4-pregnene-3,20-dione 17-acetate CAS Number 302-23-8 Synonyms 17α-Acetoxy-4-pregnene-3,20-dione, Precursor of Medroxyprogesterone Acetate (MPA), 17α-Hydroxyprogesterone 17-acetate Chemical Formula C₂₃H₃₂O₄ Molecular Weight 372.5 EINECS Number 206-119-6 Melting Point 249–250°C (lit.) Boiling Point 421.94 ± 45.0°C (predicted) Density 1.0415 ± 0.1 g/cm³ (estimated) Storage Conditions Sealed in dry, stored at 2–8°C Solubility Sparingly soluble in chloroform and ethyl acetate; slightly soluble in methanol; water solubility 1.01 mg/L (20°C) Appearance Off-white to pale yellow solid Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) Applications Pharmaceutical Use: Key precursor for synthesizing medroxyprogesterone acetate (MPA) and megestrol acetate (MA).Research Use: Progesterone receptor activity studies and contraceptive drug development. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: Total impurities ≤0.5%. Synthesis Pathway 1. Hydroxylation: Introduction of 17α-hydroxyl group to progesterone via microbial or chemical methods.2. Acetylation: Reaction of 17α-hydroxyprogesterone with acetic anhydride to form the acetate ester. Price (Research Grade) 30–80/gram Regulatory Status Compliant with EP and USP standards; prescription use in some countries. Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references.
11α-Hydroxyandrost-4-ene-317-dione (cas 564-33-0)
11α-Hydroxyandrost-4-ene-317-dione 11β-Hydroxyandrost-4-ene-3,17-dione Comprehensive Information Table Category Details Chemical Name 11β-Hydroxyandrost-4-ene-3,17-dione CAS Number 564-33-0 Synonyms 11-Hydroxyandrostenedione, 11α-Hydroxyandrostenedione, 4-Androsten-11α-ol-3,17-dione, NSC 7423 Chemical Formula C₁₉H₂₆O₃ Molecular Weight 302.41 EINECS Number 1312995-182-4 Melting Point 226–227°C (lit.) Boiling Point 475.3 ± 45.0°C (predicted) Density 1.19 ± 0.1 g/cm³ (predicted) Solubility Slightly soluble in chloroform and methanol Appearance Light yellow to orange solid Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) pKa 14.49 ± 0.60 (predicted) Applications Pharmaceutical Use: Key intermediate in synthesizing formebolone (anabolic steroid).Research Use: Androgen receptor studies and steroid metabolism investigations. Hazard Classification Not explicitly listed; handle with standard chemical safety precautions. Synthesis Pathway 1. Hydroxylation: Selective hydroxylation at C11β position of androst-4-ene-3,17-dione.2. Purification: Recrystallization from ethanol/water mixtures. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: Total impurities ≤0.5%. Stability 24 months (protected from light, dry, stored at 2–8°C) Key Suppliers Sigma-Aldrich, Wuhan Dongkangyuan Biotech, Hebei Hongtan Biotechnology Safety Information Risk Statements: R36/37/38 (irritating to eyes, respiratory system, skin).Precautionary Measures: S22 (avoid inhalation), S24/25 (avoid contact). MSDS Available from suppliers Supplementary Notes For detailed toxicological data or formulation protocols, consult specialized pharmacological references.
19-Hydroxy-4-Androstene-3, 17-Dione (cas 510-64-5)
19-Hydroxy-4-Androstene-3, 17-Dione 19-Hydroxy-4-androstene-3,17-dione Comprehensive Information Table Category Details Chemical Name 19-Hydroxy-4-androstene-3,17-dione CAS Number 510-64-5 Synonyms 19-Hydroxyandrostendione, 4-Androsten-19-ol-3,17-dione, Androst-4-en-19-ol-3,17-dione, NSC 7423 Chemical Formula C₁₉H₂₆O₃ Molecular Weight 302.41 EINECS Number 208-116-5 Melting Point 168–169°C (lit.) Boiling Point 485.4 ± 45.0°C (predicted) Density 1.19 ± 0.1 g/cm³ (predicted) Storage Conditions Sealed in dry, Store in freezer, under -20°C Solubility Slightly soluble in chloroform and methanol Appearance Off-white to pale yellow solid Optical Activity [α]²⁵/D +190° ±5° (c = 1 in chloroform) pKa 14.90 ± 0.10 (predicted) Applications Pharmaceutical Use: Novel substituted estrogen as an aromatase inhibitor; induces neuroendocrine transdifferentiation of prostate cancer cells via an ectopic olfactory receptor.Research Use: Progesterone metabolism studies and anti-tumor investigations. Quality Control – HPLC: C18 column, methanol-water (60:40) mobile phase, UV detection at 240 nm.– Impurity Limits: Total impurities ≤0.5%. Stability 24 months (protected from light, dry, -20°C storage) Safety Information Hazard Codes: Xi (Irritant)Risk Statements: R36/37/38 (Irritating to eyes, respiratory system, skin)Safety Measures: S22 (Avoid inhalation of dust), S24/25 (Avoid contact with skin and eyes) MSDS Material Safety Data Sheet available from suppliers Notes For detailed toxicological data or formulation protocols, refer to specialized pharmacological references.