H578 9,11b-Epoxy-17,21-dihydroxy-16a-methyl-9b-pregna-1,4-diene-3,20-dione - AK Scientific
 
 
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  Catalog ID # H578
9,11b-Epoxy-17,21-dihydroxy-16a-methyl-9b-pregna-1,4-diene-3,20-dione
, 98% (HPLC)
 



IDENTITY
CAS Registry #:[24916-90-3]
MDL Number:MFCD07782140
MF:C22H28O5
MW:372.4547
EINECS:246-529-2
SPECIFICATIONS & PROPERTIES
Purity:98% (HPLC)
Physical Form:White crystalline powder
Melting Point:230-235°C
Density:1.32
Shipping:Not Regulated for Shipping

REVIEW

 9,11b-Epoxy-17,21-dihydroxy-16a-methyl-9b-pregna-1,4-diene-3,20-dione is a key intermediate used in the synthesis of various biologically active corticosteroids, e.g. mometasone and furoate.

REFERENCES
[1]Fu, Xiaoyong; Tann, Chou-Hong; Thiruvengadam, T. K. Process Improvements in the Synthesis of Corticosteroid 9,11beta-Epoxides. Organic Process Research & Development. (2001) 5(4): 376-382.
[2] Li, Ping; Lu, Junrui; Li, Xia; Guo, Jianlong. Method for preparation of Mometasone furoate intermediate having hydroxy group at C21-position. Faming Zhuanli Shenqing Gongkai Shuomingshu. (2006) CN 1810825 A 20060802.
[3] Cherniak, Simon; Cyjon, Rosa; Ozer, Ilana; Nudelman, Igor. Process for the preparation of 17-desoxy-corticosteroids. PCT Int. Appl. (2012) WO 2012011106 A1 20120126.
[4] Steroids (1962), GB 912379 19621205

Risk Description(s)
R36/37/38:Irritating to eyes, respiratory system and skin

Safety Description(s)
S24/25:Avoid contact with skin and eyes.


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CURRENT AS OF: August 3, 2015
Availability
1. In Stock: Order today by 4 PM PT and ships today from San Francisco, CA, USA
2. Backordered: Please contact us for availability.
3. If Bulk (kg) is Backordered, sizes less than 1kg may be available.
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HazMat
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SDS

 H578_SDS.pdf

CATEGORIES

 APIs and Bioactives > Steroid Hormones

USEFUL LINKS

  PubChem