512812-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 512812-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,2,8,1 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 512812-42:
(8*5)+(7*1)+(6*2)+(5*8)+(4*1)+(3*2)+(2*4)+(1*2)=119
119 % 10 = 9
So 512812-42-9 is a valid CAS Registry Number.