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81245-94-5

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81245-94-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81245-94-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,4 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81245-94:
(7*8)+(6*1)+(5*2)+(4*4)+(3*5)+(2*9)+(1*4)=125
125 % 10 = 5
So 81245-94-5 is a valid CAS Registry Number.

81245-94-5Relevant articles and documents

New Synthesis of Diazepam and the Related 1,4-Benzodiazepines by means of Palladium-Catalyzed Carbonylation

Ishikura, Minoru,Mori, Miwako,Ikeda, Toshihito,Terashima, Masanao,Ban, Yoshio

, p. 2456 - 2461 (2007/10/02)

A new synthesis of diazepam (5) was achieved by application of palladium-catalyzed carbonylation to the compound 3 prepared from o-bromoaniline derivative 1 and the amino acid 2, and this procedure was also used for the synthesis of poisonous metabolites

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