857958-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857958-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,5 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857958-80:
(8*8)+(7*5)+(6*7)+(5*9)+(4*5)+(3*8)+(2*8)+(1*0)=246
246 % 10 = 6
So 857958-80-6 is a valid CAS Registry Number.