90978-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90978-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,7 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90978-79:
(7*9)+(6*0)+(5*9)+(4*7)+(3*8)+(2*7)+(1*9)=183
183 % 10 = 3
So 90978-79-3 is a valid CAS Registry Number.