159195-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159195-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,1,9 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 159195-12:
(8*1)+(7*5)+(6*9)+(5*1)+(4*9)+(3*5)+(2*1)+(1*2)=157
157 % 10 = 7
So 159195-12-7 is a valid CAS Registry Number.