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(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one

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Origin: China

Cas No: 13504-15-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 13504-15-9 Formula: C22H28O4 Molecular Weight: 356.45500

Description

(16β)-17,21-Dihydroxy-16β-methyl-pregna-1,4,9(11)-triene-3,20-dione is used in biological studies to perform preclinical characterization of VBP15, a novel anti-inflammatory delta 9,11 steroid. This compound is also used in analytical studies to determine the stability from reversed-phase high performance liquid chromatography (RP-HPLC) to separate low levels of dexamethasone and other related compounds from betametasone, which is an active pharmaceutical ingredient.

Basic Info

Chemical Name	(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one
Synonyms	(16\|A)-17,21-dihydroxy-16-methylpregna-1,4,9(11)-triene-3,20-dione; EINECS 236-830-7;
CAS No.	13504-15-9
Molecular Formula	C22H28O4
Molecular Weight	356.45500
PSA	74.60000
LogP	2.75290

Properties

Density	1.24g/cm3
Boiling Point	548.3ºC at 760mmHg
Flash Point	299.4ºC
Refractive Index	1.603
Vapor Pressure	2.63E-14mmHg at 25°C

Synthesis Route

16β-methyl-3,20-dioxopregna-1,4,9(11)-triene-17α,21-diol 21-(ethylcarbonate)→(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one

Precursor

16β-methyl-3,20-dioxopregna-1,4,9(11)-triene-17α,21-diol 21-(ethylcarbonate)

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