635722-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 635722-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,5,7,2 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 635722-48:
(8*6)+(7*3)+(6*5)+(5*7)+(4*2)+(3*2)+(2*4)+(1*8)=164
164 % 10 = 4
So 635722-48-4 is a valid CAS Registry Number.