64654-37-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64654-37-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,5 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64654-37:
(7*6)+(6*4)+(5*6)+(4*5)+(3*4)+(2*3)+(1*7)=141
141 % 10 = 1
So 64654-37-1 is a valid CAS Registry Number.