312953-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312953-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,9,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 312953-52:
(8*3)+(7*1)+(6*2)+(5*9)+(4*5)+(3*3)+(2*5)+(1*2)=129
129 % 10 = 9
So 312953-52-9 is a valid CAS Registry Number.