1212427-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212427-34-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,4,2 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1212427-34:
(9*1)+(8*2)+(7*1)+(6*2)+(5*4)+(4*2)+(3*7)+(2*3)+(1*4)=103
103 % 10 = 3
So 1212427-34-3 is a valid CAS Registry Number.