887589-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 887589-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,5,8 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 887589-40:
(8*8)+(7*8)+(6*7)+(5*5)+(4*8)+(3*9)+(2*4)+(1*0)=254
254 % 10 = 4
So 887589-40-4 is a valid CAS Registry Number.
887589-40-4Relevant articles and documents
Process for preparing 1,8-diethyl-1,3,4,9-tetrahydropyrano(3,4-b)-indole-1-acetic acid, etodolac
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, (2008/06/13)
A process for preparing 1,8-diethyl-1,3,4,9-tetrahydro[3,4-b]-indole-1-acetic acid (etodolac) is disclosed. Etodolac is a useful antiinflammatory and analgesic agent.