64349-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64349-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,4 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64349-50:
(7*6)+(6*4)+(5*3)+(4*4)+(3*9)+(2*5)+(1*0)=134
134 % 10 = 4
So 64349-50-4 is a valid CAS Registry Number.