857787-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857787-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,8 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857787-83:
(8*8)+(7*5)+(6*7)+(5*7)+(4*8)+(3*7)+(2*8)+(1*3)=248
248 % 10 = 8
So 857787-83-8 is a valid CAS Registry Number.