297762-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 297762-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,7,6 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 297762-33:
(8*2)+(7*9)+(6*7)+(5*7)+(4*6)+(3*2)+(2*3)+(1*3)=195
195 % 10 = 5
So 297762-33-5 is a valid CAS Registry Number.