87859-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87859-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,5 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87859-98:
(7*8)+(6*7)+(5*8)+(4*5)+(3*9)+(2*9)+(1*8)=211
211 % 10 = 1
So 87859-98-1 is a valid CAS Registry Number.