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Check Digit Verification of cas no

The CAS Registry Mumber 80775-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,7 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80775-42:
(7*8)+(6*0)+(5*7)+(4*7)+(3*5)+(2*4)+(1*2)=144
144 % 10 = 4
So 80775-42-4 is a valid CAS Registry Number.

80775-42-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name	1-(5-bromothiophen-2-yl)-3-chloropropan-1-one

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

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

More Details:80775-42-4 SDS

80775-42-4Upstream product

80775-42-4Downstream Products

80775-42-4Relevant articles and documents

Bromothiophene Reactions. I. Friedel-Crafts Acylation

Agua, M. J. del,Alvarez-Insua, A. S.,Conde, S.

, p. 1345 - 1347 (2007/10/02)

Friedel-Crafts acylation of 2,5-dibromo- and 2,3,5-tribromothiophenes with different acyl chlorides and anhydrous aluminium trichloride has been studied.The reaction afforded a mixture of acyl derivatives and tetrabromothiophene.The results obtained suggest a mechanism which involves the formation of bromine cations in the reaction medium.Several products obtained in this reaction are described.

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80775-42-4