Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pregn-4-ene-3,20-dione,21-(acetyloxy)-17-hydroxy-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFUCHEM--High purity REICHSTEIN'S SUBSTANCE S 21-ACETATE factory price
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

640-87-9

640-87-9 structure

640-87-9 structure

Name: reichstein's substance s 21-acetate
Chemical Name: reichstein's substance s 21-acetate
CAS Number: 640-87-9
Molecular Formula: C₂₃H₃₂O₅
Molecular Weight: 388.49700
Create Date: 2019-02-06 15:20:15
Modify Date: 2026-08-08 06:38:34

Name	reichstein's substance s 21-acetate
Synonyms	17α-Hydroxy-21-acetoxypregna-4-ene-3,20-dione Einecs -4 17α-Hydroxy-11-deoxycorticosterone-21-acetate Hydrocortisone Impurity K 17-ALPHA-HYDROXYCORTEXONE 21-ACETATE 17Alpha-Hydroxyprogesterone 21-acetate [RSA] 17a-Hydroxy Progesterone-21-Acetate 21-acetoxy-17-hydroxy-pregn-4-ene-3,20-dione 21-Acetoxy-17-hydroxy-pregn-4-en-3,20-dion Cortexolone 21-acetate 11-DEOXY-17-HYDROCORTICOSTERONE 17a-Hydroxy Progesterone-21-Acetate(RSA) 11-DEOXYCORTISOL 21-ACETATE ACETIC ACID 2-((8R,9S,10R,13S,14S,17R)-17-HYDROXY-10,13-DIMETHYL-3-OXO-2,3,6,7,8,9,10,11,12,13,14,15,16,17-TETRADECAHYDRO-1H-CYCLOPENTA[A]PHENANTHREN-17-YL)-2-OXO-ETHYL ESTER SSUBSTANCES21-ACETATE 21-Acetoxy-17α-hydroxypregna-4-ene-3,20-dione 17alpha-Hydroxyprogesterone-21-acetate 17-Hydroxy-21-acetoxy-pregnen-(4)-dion-(3.20) Reichstein substance S 21-acetate 4-PREGNEN-17ALPHA,21-DIOL-3,20-DIONE 21-ACETATE 17α,21-Dihydroxy-4-pregnene-3,20-dione 21-acetate 4-PREGNEN-17,21-DIOL-3,20-DIONE 21-ACETATE 3,20-Dioxopregn-4-ene-17,21-diol 21-acetate 17a-Hydroxy-11-deoxycorticosterone-21-acetate 4-PREGNENE-17-ALPHA,21-DIOL-3,20-DIONE 21-ACETATE 21-Acetyloxy-17-hydroxypregn-4-ene-3,20-dione 17α-Hydroxycortexone 21-acetate Cortodoxon 21-acetate 17a-Hydroxy-11-desoxycorticosterone acetate Hydrocortisone Impurity 11（Hydrocortisone Impurity K） 4-Pregnene-17α,21-diol-3,20-dione 21-acetate 17-alpha,21-dihydroxypregn-4-ene-3,20-dione 21-acetate 11-deoxycortisol 21-acetate 17-Hydroxy-21-acetoxyprogesterone Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy 2-((8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetate ethyl ester REICHSTEIN'S SUBSTANCE S 21-ACETATE TIANFUCHEM-High purity REICHSTEIN'S SUBSTANCE S 21-ACETATE factory price Einecs 211-369-4 Hydrocortisone Impurity K (Reichsteins Substance S-21-Acetate) 17-Hydroxy-3,20-dioxopregn-4-en-21-yl acetate REICHSTEIN'S COMPOUND ''S'' ACETATE NSC81196 21-Acetoxy-17a-hydroxyprogesterone Pregn-4-ene-17,21-diol-3,20-dione21-acetate 17α-Hydroxyprogesterone Acetate-21-acetate 17α,21-Dihydroxyprogesterone 21-acetate CORTEXOLONE ACETATE cortexolone 21-acetate 11-Deoxy-17-hydrocorticosterone 21-acetate Reichsteins substance S acetate Hydrocortisone IMP K 17-Hydroxy-3,20-dioxopregn-4-en-21-yl Acetate (Reichstein's Substance S 21-Acetate) 2-((8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate 11-deoxycortisone acetate 17,21-Dihydroxypregn-4-ene-3,20-dione21-acetate RSA,REICHSTEIN'S SUBSTANCE S 21-ACETATE 4-HYDROXY CHOLESTEROL-D7 4-ACETATE（RSA）

Density	1.2g/cm3
Boiling Point	537.9ºC at 760 mmHg
Melting Point	233-235ºC
Molecular Formula	C₂₃H₃₂O₅
Molecular Weight	388.49700
Flash Point	181.8ºC
Exact Mass	388.22500
PSA	80.67000
LogP	3.38160
Index of Refraction	1.558
Water Solubility	Insuluble (8.5E-3 g/L) (25 ºC)

Precursor 9
108-22-5 152-58-9 19357-45-0 63973-94-4
20380-17-0 108-24-7 127-08-2 57273-80-0
481-29-8
DownStream 6
1807-15-4 54201-62-6 63-05-8 312-99-2
152-58-9 566-12-1

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