90961-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90961-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,6 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90961-78:
(7*9)+(6*0)+(5*9)+(4*6)+(3*1)+(2*7)+(1*8)=157
157 % 10 = 7
So 90961-78-7 is a valid CAS Registry Number.