637358-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637358-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,5 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 637358-42:
(8*6)+(7*3)+(6*7)+(5*3)+(4*5)+(3*8)+(2*4)+(1*2)=180
180 % 10 = 0
So 637358-42-0 is a valid CAS Registry Number.