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934343-40-5

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934343-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934343-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,3,4 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 934343-40:
(8*9)+(7*3)+(6*4)+(5*3)+(4*4)+(3*3)+(2*4)+(1*0)=165
165 % 10 = 5
So 934343-40-5 is a valid CAS Registry Number.

934343-40-5Relevant articles and documents

N-Alkyl-N-alkyloxycarbonylaminomethyl (NANAOCAM) prodrugs of carboxylic acid containing drugs

Majumdar, Susruta,Sloan, Kenneth B.

, p. 1447 - 1450 (2008/09/21)

Synthesis and hydrolysis in aqueous buffers of novel N-alkyl-N-alkyloxycarbonylaminomethyl (NANAOCAM) and N-aryl-N-alkyloxycarbonylaminomethyl (NArNAOCAM) derivatives of carboxylic acid containing drugs were carried out. The hydrolysis follows a SN1 type mechanism and is dependent on the nucleofugacity of the leaving group. Topical delivery of the NANAOCAM derivative of naproxen from IPM across hairless mice skin was examined in in vitro diffusion cell experiments. The prodrug was 4.5-fold less lipid soluble, 2.4-fold less water soluble and 3.6-fold less permeable than the parent drug.

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