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144175-29-1

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144175-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144175-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,1,7 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 144175-29:
(8*1)+(7*4)+(6*4)+(5*1)+(4*7)+(3*5)+(2*2)+(1*9)=121
121 % 10 = 1
So 144175-29-1 is a valid CAS Registry Number.

144175-29-1Relevant articles and documents

A New Direct Synthesis of Tertiary N-Acyloxymethylamide Prodrugs of Carboxylic Acid Drugs

Moreira, Rui,Mendes, Eduarda,Calheiros, Teresa,Bacelo, Maria J.,Iley, Jim

, p. 7107 - 7110 (2007/10/02)

N-Alkyl-N-chloromethylamides 2, prepared from secondary amides, paraformaldehyde and chlorotrimethylsilane, react readily with carboxylate anions to generate the corresponding tertiary N-acyloxymethylamides 3 in good yield; the latter give rise to the parent carboxylic acids in aqueous media at pH 7.4 and 37 deg C with half-lives between ca. 1 min and 42 h.

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