100871-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100871-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,7 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100871-16:
(8*1)+(7*0)+(6*0)+(5*8)+(4*7)+(3*1)+(2*1)+(1*6)=87
87 % 10 = 7
So 100871-16-7 is a valid CAS Registry Number.