857999-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857999-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,9 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857999-82:
(8*8)+(7*5)+(6*7)+(5*9)+(4*9)+(3*9)+(2*8)+(1*2)=267
267 % 10 = 7
So 857999-82-7 is a valid CAS Registry Number.