62747-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62747-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,7,4 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 62747-03:
(7*6)+(6*2)+(5*7)+(4*4)+(3*7)+(2*0)+(1*3)=129
129 % 10 = 9
So 62747-03-9 is a valid CAS Registry Number.
62747-03-9Relevant articles and documents
Electrophilic substitution in the dihydroquercitin system. Aminomethylation
Kukhareva,Krasnova,Koroteev,Kaziev,Kuleshova,Korlyukov,Antipin, M. Yu.,Nifant'Ev
, p. 1190 - 1193 (2004)
Treating dihydroquercetin with formaldehyde and amines under conditions of Mannich reaction provided mono- and diaminomethyl derivatives of dihydroquercetin.