18990-24-4 Usage
Uses
3-Ethoxyoxalyl-4-oxopiperidine-1-carboxylic Acid tert-Butyl Ester is used in the synthesis of Clopidogrel (C587250), an antithrombotic agent.
Check Digit Verification of cas no
The CAS Registry Mumber 18990-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,9 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18990-24:
(7*1)+(6*8)+(5*9)+(4*9)+(3*0)+(2*2)+(1*4)=144
144 % 10 = 4
So 18990-24-4 is a valid CAS Registry Number.