156250-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156250-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,5 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 156250-91:
(8*1)+(7*5)+(6*6)+(5*2)+(4*5)+(3*0)+(2*9)+(1*1)=128
128 % 10 = 8
So 156250-91-8 is a valid CAS Registry Number.