959774-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 959774-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,9,7,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 959774-90:
(8*9)+(7*5)+(6*9)+(5*7)+(4*7)+(3*4)+(2*9)+(1*0)=254
254 % 10 = 4
So 959774-90-4 is a valid CAS Registry Number.