1312883-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312883-34-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,8,8 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1312883-34:
(9*1)+(8*3)+(7*1)+(6*2)+(5*8)+(4*8)+(3*3)+(2*3)+(1*4)=143
143 % 10 = 3
So 1312883-34-3 is a valid CAS Registry Number.