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381670-44-6

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381670-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 381670-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,1,6,7 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 381670-44:
(8*3)+(7*8)+(6*1)+(5*6)+(4*7)+(3*0)+(2*4)+(1*4)=156
156 % 10 = 6
So 381670-44-6 is a valid CAS Registry Number.

381670-44-6Relevant articles and documents

Synthesis of 3-substituted isoindolin-1-ones by regioselective cyclization of nitrile with a styryl double bond

Luo, Fen-Tair,Chen, Chin-Hsin

, p. 1663 - 1678 (2007/10/03)

An efficient preparation of 3-substituted isoindolin-1-one was established via basic condensation of aromatic or aliphatic aldehyde with 6-alkoxy-3-methylbenzene-1,2,4-tricarbonitrile (1) in a one-pot reaction. The key step involved regioselective either

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