1292621-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1292621-21-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,2,6,2 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1292621-21:
(9*1)+(8*2)+(7*9)+(6*2)+(5*6)+(4*2)+(3*1)+(2*2)+(1*1)=146
146 % 10 = 6
So 1292621-21-6 is a valid CAS Registry Number.