72823-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72823-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,2 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72823-98:
(7*7)+(6*2)+(5*8)+(4*2)+(3*3)+(2*9)+(1*8)=144
144 % 10 = 4
So 72823-98-4 is a valid CAS Registry Number.
72823-98-4Relevant articles and documents
HOMOLOGATION OF BORONIC ESTERS WITH TRIMETHYLSILYLCHLOROMETHYLLITHIUM
Matteson, Donald S.,Majumdar, Debesh
, p. C41 - C43 (2007/10/02)
Trimethylsilylchloromethyllithium adds to boronic esters to form ate complexes which rearrange with displacement of chloride to form the homologous α-trimethylsilyl boronic esters in high yields.