872997-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872997-47-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,9,9 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 872997-47:
(8*8)+(7*7)+(6*2)+(5*9)+(4*9)+(3*7)+(2*4)+(1*7)=242
242 % 10 = 2
So 872997-47-2 is a valid CAS Registry Number.