297762-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 297762-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,7,6 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 297762-40:
(8*2)+(7*9)+(6*7)+(5*7)+(4*6)+(3*2)+(2*4)+(1*0)=194
194 % 10 = 4
So 297762-40-4 is a valid CAS Registry Number.