Cas 312307-42-9,Propanedinitrile, (1-benzoyl-2-methylpropyl)-

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Check Digit Verification of cas no

The CAS Registry Mumber 312307-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,3,0 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 312307-42:
(8*3)+(7*1)+(6*2)+(5*3)+(4*0)+(3*7)+(2*4)+(1*2)=89
89 % 10 = 9
So 312307-42-9 is a valid CAS Registry Number.

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312307-42-9Relevant articles and documents

Acid-mediated cyclization of 3-benzoyl-2-cyanobutyronitrile to 2-amino-4-methyl-5-phenylfuran-3-carbonitrile

Watanuki, Susumu,Sakamoto, Shuichi,Harada, Hironori,Kikuchi, Kazumi,Kuramochi, Takahiro,Kawaguchi, Ken-Ichi,Okazaki, Toshio,Tsukamoto, Shin-Ichi

, p. 127 - 130 (2007/10/03)

Cyclization of 3-benzoyl-2-cyanobutyronitrile to 2-amino-4-methyl-5-phenylfuran-3-carbonitrile was effected under acidic conditions, rather than the basic conditions previously reported. Since treatment with trifluoroacetic acid (TFA) at room temperature is very mild, 2-amino-4-methyl-5-phenylfuran-3-carbonitriles containing various functional groups can be accessed via this route.

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312307-42-9