90877-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90877-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,7 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90877-83:
(7*9)+(6*0)+(5*8)+(4*7)+(3*7)+(2*8)+(1*3)=171
171 % 10 = 1
So 90877-83-1 is a valid CAS Registry Number.