123772-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123772-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,7 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123772-63:
(8*1)+(7*2)+(6*3)+(5*7)+(4*7)+(3*2)+(2*6)+(1*3)=124
124 % 10 = 4
So 123772-63-4 is a valid CAS Registry Number.
123772-63-4Relevant articles and documents
Hydrolysis of 4-Cyano-1-ethoxypyrimidobenzimidazole: Formation of a Ynaminonitrile and Benzimidazolidines
Zama, Yoshimi,Okamoto, Yoshihisa,Takagi, Kaname,Kurasawa, Yoshihisa,Takada, Atsushi
, p. 851 - 856 (2007/10/02)
The title compound 4 was hydrolyzed to a new type of ynaminonitrile 5 and benzimidazolidines 7 and 9 under acidic or basic conditions.Reaction mechanisms were proposed.