64043-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64043-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,0,4 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64043-22:
(7*6)+(6*4)+(5*0)+(4*4)+(3*3)+(2*2)+(1*2)=97
97 % 10 = 7
So 64043-22-7 is a valid CAS Registry Number.