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127949-79-5

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127949-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127949-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,4 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127949-79:
(8*1)+(7*2)+(6*7)+(5*9)+(4*4)+(3*9)+(2*7)+(1*9)=175
175 % 10 = 5
So 127949-79-5 is a valid CAS Registry Number.

127949-79-5Downstream Products

127949-79-5Relevant articles and documents

Amino Acid Synthesis Using (L)-Pyroglutamic Acid as a Chiral Starting Material

Baldwin, Jack E.,Miranda, Tania,Moloney, Mark,Hokelek, Tuncer

, p. 7459 - 7468 (2007/10/02)

Deprotonation of protected pyroglutamates 1(c), 1(d), and 1(e) with lithium di-isopropylamine (LDA) or lithium hexamethyldisilazide (LiHDMS) in THF, followed by reaction with electrophiles, leads to the formation of 4-substituted pyroglutamates in good yield.This approach has been used for the synthesis of the novel amino acid (4).Key Words: pyroglutamic acid; chiral amino acid synthesis

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