651738-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651738-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,7,3 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 651738-04:
(8*6)+(7*5)+(6*1)+(5*7)+(4*3)+(3*8)+(2*0)+(1*4)=164
164 % 10 = 4
So 651738-04-4 is a valid CAS Registry Number.