151640-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151640-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,6,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 151640-16:
(8*1)+(7*5)+(6*1)+(5*6)+(4*4)+(3*0)+(2*1)+(1*6)=103
103 % 10 = 3
So 151640-16-3 is a valid CAS Registry Number.