1235512-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1235512-21-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,5,1 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1235512-21:
(9*1)+(8*2)+(7*3)+(6*5)+(5*5)+(4*1)+(3*2)+(2*2)+(1*1)=116
116 % 10 = 6
So 1235512-21-6 is a valid CAS Registry Number.