90769-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90769-64-5 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, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90769-64:
(7*9)+(6*0)+(5*7)+(4*6)+(3*9)+(2*6)+(1*4)=165
165 % 10 = 5
So 90769-64-5 is a valid CAS Registry Number.