64623-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64623-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,2 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64623-54:
(7*6)+(6*4)+(5*6)+(4*2)+(3*3)+(2*5)+(1*4)=127
127 % 10 = 7
So 64623-54-7 is a valid CAS Registry Number.