6156-10-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6156-10-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,5 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6156-10:
(6*6)+(5*1)+(4*5)+(3*6)+(2*1)+(1*0)=81
81 % 10 = 1
So 6156-10-1 is a valid CAS Registry Number.