1638101-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1638101-80-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,1,0 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1638101-80:
(9*1)+(8*6)+(7*3)+(6*8)+(5*1)+(4*0)+(3*1)+(2*8)+(1*0)=150
150 % 10 = 0
So 1638101-80-0 is a valid CAS Registry Number.