135673-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135673-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,7 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 135673-76:
(8*1)+(7*3)+(6*5)+(5*6)+(4*7)+(3*3)+(2*7)+(1*6)=146
146 % 10 = 6
So 135673-76-6 is a valid CAS Registry Number.
135673-76-6Relevant articles and documents
Synthesis of heterocyclic ketene N,S- and N,O-acetals with ester substituent in the heterocyclic ring
Huang,Wang
, p. 1177 - 1187 (2007/10/02)
Heterocyclic ketene N,S-acetals 3 or N,O-acetals 5 were synthesized by the reaction of ketene S,S-acetals 1 with cysteine ester hydrochloride 2 or serine ester hycrochloride 4 in the presence of a base.
