857977-45-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857977-45-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,7 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 857977-45:
(8*8)+(7*5)+(6*7)+(5*9)+(4*7)+(3*7)+(2*4)+(1*5)=248
248 % 10 = 8
So 857977-45-8 is a valid CAS Registry Number.