887866-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 887866-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,8,6 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 887866-89:
(8*8)+(7*8)+(6*7)+(5*8)+(4*6)+(3*6)+(2*8)+(1*9)=269
269 % 10 = 9
So 887866-89-9 is a valid CAS Registry Number.