297138-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 297138-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,1,3 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 297138-58:
(8*2)+(7*9)+(6*7)+(5*1)+(4*3)+(3*8)+(2*5)+(1*8)=180
180 % 10 = 0
So 297138-58-0 is a valid CAS Registry Number.