86978-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86978-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,7 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 86978-54:
(7*8)+(6*6)+(5*9)+(4*7)+(3*8)+(2*5)+(1*4)=203
203 % 10 = 3
So 86978-54-3 is a valid CAS Registry Number.