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253676-23-2

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253676-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253676-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,6,7 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 253676-23:
(8*2)+(7*5)+(6*3)+(5*6)+(4*7)+(3*6)+(2*2)+(1*3)=152
152 % 10 = 2
So 253676-23-2 is a valid CAS Registry Number.

253676-23-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name (4S,5S)-5-Ethynyl-4-isopropyl-1,3-oxazolidin-2-one

1.2 Other means of identification

Product number -
Other names (4S,5S)-5-Ethynyl-4-isopropyl-oxazolidin-2-one

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:253676-23-2 SDS

253676-23-2Downstream Products

253676-23-2Relevant articles and documents

Convenient syntheses of chiral 3-substituted 2-ethynylaziridines

Ohno, Hiroaki,Toda, Ayako,Takemoto, Yoshiji,Fujii, Nobutaka,Ibuka, Toshiro

, p. 2949 - 2962 (2007/10/03)

Two convenient methods for the synthesis of chiral 2-ethynylaziridines from natural α-amino acids are described. Sodium hydride-promoted aziridination of mesylates of 4-arylsulfonylamino-2-bromoalk-2-en-1-ols yields trans-2-(1-bromovinyl)aziridines in a highly stereoselective manner, and subsequent dehydrobromination of the aziridines by potassium tert-butoxide gives separable stereoisomeric mixtures of trans- and cis-2-ethynylaziridines in enantiomerically pure forms (>98% ee). Simple synthesis of 2-ethynylaziridines with high optical purities (91-98% ee) from chiral amino alcohols bearing an ethynyl group under Mitsunobu conditions is also presented. The Royal Society of Chemistry 1999.

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