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72498-89-6

72498-89-6

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  • Pregna-1,4-diene-3,20-dione,17,21-bis(acetyloxy)-9,11-epoxy-6-fluoro-, (6a,9b,11b)- (9CI)

    Cas No: 72498-89-6

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72498-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72498-89-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,9 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72498-89:
(7*7)+(6*2)+(5*4)+(4*9)+(3*8)+(2*8)+(1*9)=166
166 % 10 = 6
So 72498-89-6 is a valid CAS Registry Number.

72498-89-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name EINECS 276-705-4

1.2 Other means of identification

Product number -
Other names 9beta,11beta-Epoxy-6alpha-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate)

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:72498-89-6 SDS

72498-89-6Relevant articles and documents

Improved synthesis of fluocinolone acetonide and process research of 6α,9α-fluorination

Tang, Jie,Zeng, Chunling,Xie, Longyong,Wang, Jinghua,Tian, Mi,Guo, Cancheng

supporting information, p. 110 - 112 (2018/01/26)

An efficient and improved synthetic route of fluocinolone acetonide with combination of bio-fermentation was developed from 21-acetyloxy-17α-hydroxy-4,9(11)-diene-3,20-dione (1a). Process of the 6α and 9α fluorination steps was studied, and it was observe

Process for the preparation of 6-halo-pregnanes

-

, (2008/06/13)

The invention relates to a new process for the preparation of 6α-halo-3-keto-Δ1,4 -pregnadiene-derivatives in two-steps-synthesis affording directly 6α-halo-derivatives by reacting 3-keto-9β,11β-oxido-Δ1,4 -pregnadiene-derivatives with a suitable acylating or etherifying agent to give the corresponding new 3-enol-derivatives which are finally halogenated by using a suitable halogenating agent.

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