68886-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68886-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,8 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68886-91:
(7*6)+(6*8)+(5*8)+(4*8)+(3*6)+(2*9)+(1*1)=199
199 % 10 = 9
So 68886-91-9 is a valid CAS Registry Number.