70882-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70882-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,8 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70882-23:
(7*7)+(6*0)+(5*8)+(4*8)+(3*2)+(2*2)+(1*3)=134
134 % 10 = 4
So 70882-23-4 is a valid CAS Registry Number.
70882-23-4Relevant articles and documents
One-Pot Self-Condensation of phenylboronic acid with phenols and aldehydes
Sharifi, Ali,Abaee, M. Saeed,Mirzaei, Mojtaba,Naimi-Jamal, M. Reza
experimental part, p. 6519 - 6523 (2010/12/18)
An efficient procedure is developed for additive-free condensation of boronic acid with phenols and various aromatic and aliphatic aldehydes under solvent-free conditions.