1251216-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1251216-33-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,2,1 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1251216-33:
(9*1)+(8*2)+(7*5)+(6*1)+(5*2)+(4*1)+(3*6)+(2*3)+(1*3)=107
107 % 10 = 7
So 1251216-33-7 is a valid CAS Registry Number.