67887-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67887-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,8 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 67887-86:
(7*6)+(6*7)+(5*8)+(4*8)+(3*7)+(2*8)+(1*6)=199
199 % 10 = 9
So 67887-86-9 is a valid CAS Registry Number.