507448-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 507448-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,7,4,4 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 507448-65:
(8*5)+(7*0)+(6*7)+(5*4)+(4*4)+(3*8)+(2*6)+(1*5)=159
159 % 10 = 9
So 507448-65-9 is a valid CAS Registry Number.