151990-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151990-56-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,9,9 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 151990-56:
(8*1)+(7*5)+(6*1)+(5*9)+(4*9)+(3*0)+(2*5)+(1*6)=146
146 % 10 = 6
So 151990-56-6 is a valid CAS Registry Number.