297159-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 297159-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,1,5 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 297159-78:
(8*2)+(7*9)+(6*7)+(5*1)+(4*5)+(3*9)+(2*7)+(1*8)=195
195 % 10 = 5
So 297159-78-5 is a valid CAS Registry Number.