1219101-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219101-01-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,1,0 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1219101-01:
(9*1)+(8*2)+(7*1)+(6*9)+(5*1)+(4*0)+(3*1)+(2*0)+(1*1)=95
95 % 10 = 5
So 1219101-01-5 is a valid CAS Registry Number.