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89894-62-2

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89894-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89894-62-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,9 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89894-62:
(7*8)+(6*9)+(5*8)+(4*9)+(3*4)+(2*6)+(1*2)=212
212 % 10 = 2
So 89894-62-2 is a valid CAS Registry Number.

89894-62-2Relevant articles and documents

Synthesis of n-methyl-3-carboxy-2-chloro-dibenzo[c,f][1,4,5]oxa-thiazepine s,s-dioxide and its derivatives

Bychenkov,Tarasov,Pisarev,Feldblum, V. Sh.,Moskvichev, Yu. A.

scheme or table, p. 1391 - 1395 (2010/05/18)

A new dibenzo-condensed oxathiazepinecarboxylic acid was obtained starting from the methyl ester of 2,4-dichloro-5-chlorosulfonylbenzoic acid. Derivatives were obtained from N-phenylamide and N-methylamide of 2,4-dichloro-5- chlorosulfonylbenzoic acid. Methods for the preparation of the starting aromatic sulfonyl chlorides were proposed.

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