Cas 81072-13-1,2-(α-benzoyl-α-cyanomethylene)-1-methylhexahydropyrimidine

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Check Digit Verification of cas no

The CAS Registry Mumber 81072-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,7 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81072-13:
(7*8)+(6*1)+(5*0)+(4*7)+(3*2)+(2*1)+(1*3)=101
101 % 10 = 1
So 81072-13-1 is a valid CAS Registry Number.

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81072-13-1Relevant academic research and scientific papers

Unexpected Substitution of the Acyl group in Isothiazole-ring Formation. Attempted Conversion of 1-Acyl-2,2-diaminoethylenes into 2-Acyl-3,3-diaminoacrylonitriles

Rajappa, Srinivasachari,Nair, Mohan D.,Advani, Bhagwan G.,Sreenivasan, Ramaswami

, p. 3161 - 3163 (1981)

2-(Acylmethylene)hexahydropyrimidines (7) have been converted into the corresponding benzoyl isothiocyanate adducts (8), treatment of which with sulphuryl chloride gave the 3-chloroisothiazolopyrimidine (10) instead of the expected 3-acyl compound

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