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139931-61-6

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139931-61-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139931-61-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,3 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139931-61:
(8*1)+(7*3)+(6*9)+(5*9)+(4*3)+(3*1)+(2*6)+(1*1)=156
156 % 10 = 6
So 139931-61-6 is a valid CAS Registry Number.

139931-61-6Downstream Products

139931-61-6Relevant articles and documents

SYNTHESIS, PROPERTIES, AND DIMERIZATION OF DIARYLBROMOARSAZO AND ARYLDIBROMOARSAZO COMPOUNDS

Kokorev, G. I.,Musin, R. Z.,Badrutdinov, Sh. Kh.,Yambushev, F. D.

, p. 2051 - 2054 (2007/10/02)

The bromination of N-trimethylsilylarylamido(diaryl)arsinites and N-trimethylsilyl-tert-butylamido(ethylaryl)arsinites entails the addition of Br2 with subsequent intramolecular elimination of Me3SiBr and EtBr and formation of dimeric diarylbromoarsazo an

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