1219602-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219602-21-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,6,0 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1219602-21:
(9*1)+(8*2)+(7*1)+(6*9)+(5*6)+(4*0)+(3*2)+(2*2)+(1*1)=127
127 % 10 = 7
So 1219602-21-7 is a valid CAS Registry Number.