138253-38-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138253-38-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,5 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138253-38:
(8*1)+(7*3)+(6*8)+(5*2)+(4*5)+(3*3)+(2*3)+(1*8)=130
130 % 10 = 0
So 138253-38-0 is a valid CAS Registry Number.