77331-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77331-02-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,3 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77331-02:
(7*7)+(6*7)+(5*3)+(4*3)+(3*1)+(2*0)+(1*2)=123
123 % 10 = 3
So 77331-02-3 is a valid CAS Registry Number.
77331-02-3Relevant articles and documents
α-CETOALDEHYDES A GROUPEMENT ALDEHYDIQUE OU CETONIQUE PROTEGE
Duhamel, Lucette,Chauvin, Joe,Messier, Angela
, p. 4171 - 4174 (2007/10/02)
α-Ketoaldehydes with protected ketogroup 2 or protected aldehydrogroup 3 are obtained by reaction of thiophenol or methanol with α-chloro-α-(phenylthio)aldehydes 7.
