1238313-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1238313-29-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,3,1 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1238313-29:
(9*1)+(8*2)+(7*3)+(6*8)+(5*3)+(4*1)+(3*3)+(2*2)+(1*9)=135
135 % 10 = 5
So 1238313-29-5 is a valid CAS Registry Number.