86778-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86778-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,7,7 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86778-21:
(7*8)+(6*6)+(5*7)+(4*7)+(3*8)+(2*2)+(1*1)=184
184 % 10 = 4
So 86778-21-4 is a valid CAS Registry Number.