156129-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156129-15-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,1,2 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156129-15:
(8*1)+(7*5)+(6*6)+(5*1)+(4*2)+(3*9)+(2*1)+(1*5)=126
126 % 10 = 6
So 156129-15-6 is a valid CAS Registry Number.