57237-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57237-68-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,3 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57237-68:
(7*5)+(6*7)+(5*2)+(4*3)+(3*7)+(2*6)+(1*8)=140
140 % 10 = 0
So 57237-68-0 is a valid CAS Registry Number.
57237-68-0Relevant articles and documents
N-BENZOYL O,O-DIALKYL PHOSPHORANILIDATES: REACTION WITH O- AND N-NUCLEOPHILES
Baraniak, Janina,Stec, Wojciech J.
, p. 4193 - 4196 (2007/10/02)
Solvolysis of mixed phosphoric-carboxylic N-phenylimides occurs with exclusive attack of nucleophiles at the carbonyl carbon centre and is accompanied by phosphoryl N->O migration.