64277-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64277-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,7 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64277-90:
(7*6)+(6*4)+(5*2)+(4*7)+(3*7)+(2*9)+(1*0)=143
143 % 10 = 3
So 64277-90-3 is a valid CAS Registry Number.