90769-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90769-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,6 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90769-70:
(7*9)+(6*0)+(5*7)+(4*6)+(3*9)+(2*7)+(1*0)=163
163 % 10 = 3
So 90769-70-3 is a valid CAS Registry Number.