638159-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 638159-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,1,5 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 638159-95:
(8*6)+(7*3)+(6*8)+(5*1)+(4*5)+(3*9)+(2*9)+(1*5)=192
192 % 10 = 2
So 638159-95-2 is a valid CAS Registry Number.