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133688-90-1

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133688-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133688-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,8 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133688-90:
(8*1)+(7*3)+(6*3)+(5*6)+(4*8)+(3*8)+(2*9)+(1*0)=151
151 % 10 = 1
So 133688-90-1 is a valid CAS Registry Number.

133688-90-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-chloro-2-(2-methoxyphenyl)-1H-benzimidazole

1.2 Other means of identification

Product number -
Other names 5-chloro-2-(2-methoxyphenyl)-1H-1,3-benzodiazole

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:133688-90-1 SDS

133688-90-1Downstream Products

133688-90-1Relevant articles and documents

C-H functionalization/C-N bond formation: Copper-catalyzed synthesis of benzimidazoles from amidines

Brasche, Gordon,Buchwald, Stephen L.

, p. 1932 - 1934 (2008/12/22)

(Chemical Equation Presented) Copper closes the ring: Benzimidazoles are synthesized from amidines through a copper-catalyzed C-H functionalization/ C-N bond-forming process. The method tolerates a broad range of functional groups and provides the benzimidazoles in up to 89% yield. Best results are obtained by using 15 mol% Cu(OAc)2, 2-5 equivalents of HOAc as additive, and oxygen as the stoichiometric reoxidant (see scheme).

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