155642-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155642-13-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,4 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 155642-13:
(8*1)+(7*5)+(6*5)+(5*6)+(4*4)+(3*2)+(2*1)+(1*3)=130
130 % 10 = 0
So 155642-13-0 is a valid CAS Registry Number.