137232-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137232-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,3 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137232-52:
(8*1)+(7*3)+(6*7)+(5*2)+(4*3)+(3*2)+(2*5)+(1*2)=111
111 % 10 = 1
So 137232-52-1 is a valid CAS Registry Number.