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151387-05-2

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151387-05-2 Usage

Uses

(α1S,α4S,2S,5S)-2,5-Dimethyl-3,6-dioxo-α1,α4-bis(2-phenylethyl)-1,4-piperazinediacetic Acid 1,4-Diethyl Ester is an impurity of Ramipril (R111000), an antihypertensive agent that exerts inhibitory activities towards the angiotensin converting enzyme (ACE).

Check Digit Verification of cas no

The CAS Registry Mumber 151387-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,3,8 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 151387-05:
(8*1)+(7*5)+(6*1)+(5*3)+(4*8)+(3*7)+(2*0)+(1*5)=122
122 % 10 = 2
So 151387-05-2 is a valid CAS Registry Number.

151387-05-2Downstream Products

151387-05-2Relevant articles and documents

Formation of N,N'-bis -3,6-S-dimethyl-2,5-diketopiperazine during the reaction of ethyl α(S)-benzenebutanoate with di-t-butyl dicarbonate

Dikshit, Dinesh K,Panday, Sharad K

, p. 788 - 789 (2007/10/02)

Reaction of ethyl (α(S)-benzenebutanoate with di-t-butyl dicarbonate in the presence of triethylamine and DMAP gives N,N'-bis-3,6-S-di-methyl-2,5-diketopiperazine in a quantitative yield.

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