871709-94-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871709-94-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,7,0 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871709-94:
(8*8)+(7*7)+(6*1)+(5*7)+(4*0)+(3*9)+(2*9)+(1*4)=203
203 % 10 = 3
So 871709-94-3 is a valid CAS Registry Number.