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73672-02-3

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73672-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73672-02-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,7 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73672-02:
(7*7)+(6*3)+(5*6)+(4*7)+(3*2)+(2*0)+(1*2)=133
133 % 10 = 3
So 73672-02-3 is a valid CAS Registry Number.

73672-02-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name pregnenolone 21-pyridinium iodide

1.2 Other means of identification

Product number -
Other names 1-(3β-hydroxy-20-oxo-pregn-5-en-21-yl)-pyridinium, iodide

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:73672-02-3 SDS

73672-02-3Downstream Products

73672-02-3Relevant articles and documents

AZASTEROIDS FOR TREATMENT OF TUBERCULOSIS

-

Page/Page column 68-69, (2017/12/15)

The present invention provides a compound having the structure: formula (I), for use in combinatoin with an anti-tuberculosis drug for treating a subject infected with M. tuberculosis.

Anti-AIDS agents. Part 36: 17-carboxylated steroids as potential anti-HIV agents

Xia, Peng,Yang, Zheng-Yu,Xia, Yi,Zheng, Yun-Qing,Cosentino, L.Mark,Lee, Kuo-Hsiung

, p. 1907 - 1911 (2007/10/03)

In our search for novel anti-HIV agents, seven 17-carboxylated steroid derivatives were synthesized and evaluated as potential anti-HIV agents. Compound 13 exhibited potent anti-HIV activity in acutely infected H9 lymphocytes with EC50 and therapeutic index values of 0.8 μM and 300, respectively.

Azasteroids as Inhibitors of Rat Prostatic 5α-Reductase

Rasmusson, Gary H.,Reynolds, Glenn F.,Utne, Torleif,Jobson, Ronald B.,Primka, Raymond L.,et al.

, p. 1690 - 1701 (2007/10/02)

A series of A-ring heterocyclic steroids has been prepared and tested for inhibition of rat prostatic steroid 5α-reductase in vitro.Strinkingly high inhibitory activity was found with a group of 17β-substituted 4-methyl-4-aza-5α-androstan-3-ones.These compounds were prepared from 3-keto-Δ4-precursors by oxidative (O3 or NaIO4-KMnO4) A-ring cleavage followed, in turn, by ring closure with an amine and hydrogenation over platinum catalyst.Other A-ring azasteroids were made by Beckmann rearrangement of oximes of 2-oxo-A-nor-, 3-oxo- and 4-oxo-5α-androstanes.An A-nor-2-oxo-3-azasteroid was prepared by oxidative decarbonylation of a precursor 2,3-dioxo-4-azasteroid with m-chloroperbenzoic acid.A-ring modifications of the 4-azasteroids included Δ1-unsaturation, 2- and 4-substituents, and 3-carbonyl replacements.Side chains at the 17-position were varied with an emphasis on carboxylate derivatives (salts, esters, and amides).

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