1212295-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212295-83-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,2,9 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1212295-83:
(9*1)+(8*2)+(7*1)+(6*2)+(5*2)+(4*9)+(3*5)+(2*8)+(1*3)=124
124 % 10 = 4
So 1212295-83-4 is a valid CAS Registry Number.