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631873-94-4

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631873-94-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 631873-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,1,8,7 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 631873-94:
(8*6)+(7*3)+(6*1)+(5*8)+(4*7)+(3*3)+(2*9)+(1*4)=174
174 % 10 = 4
So 631873-94-4 is a valid CAS Registry Number.

631873-94-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-(((tert-butyldimethylsilyl)oxy)(4-methoxyphenyl)methyl)-1H-imidazole

1.2 Other means of identification

Product number -
Other names -

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:631873-94-4 SDS

631873-94-4Relevant articles and documents

Tuning the reactivity of O-tert-butyldimethylsilylimidazolyl aminals towards organolithium reagents

Gimisis, Thanasis,Arsenyan, Pavel,Georganakis, Dimitris,Leondiadis, Leondios

, p. 1451 - 1454 (2007/10/03)

O-tert-Butyldimethylsilylimidazolyl aminals are N,O-acetals that form readily from aldehydes, and although they function as aldehyde stabilizing and protecting groups under various conditions, we report here that they react with organolithium reagents similarly to the parent aldehydes. The mechanism involves the intermediate formation of a 2-imidazolyl anion as is exemplified by the isolation of 2-TBDMS-imidazole. Substitution of the imidazolyl moiety at the 2-position renders these aldehyde derivatives stable to organolithium reagents, thus allowing for the tuning of their reactivity.

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