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113400-43-4

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  • 6-Heptenoic acid, 5-oxo-2-[[(phenylmethoxy)carbonyl]amino]-, 1,1-dimethylethyl ester, (S)-

    Cas No: 113400-43-4

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113400-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113400-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,4,0 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 113400-43:
(8*1)+(7*1)+(6*3)+(5*4)+(4*0)+(3*0)+(2*4)+(1*3)=64
64 % 10 = 4
So 113400-43-4 is a valid CAS Registry Number.

113400-43-4Relevant articles and documents

Direct Chain Elongation of N-Carbamoylpyroglutamate. An Efficient Synthesis of (-)-Pyrrolidine-2,5-Dicarboxylic Acid

Ohta, Tomihisa,Hosoi, Akio,Kimura, Toshihiko,Nozoe, Shigeo

, p. 2091 - 2094 (2007/10/02)

(-)-Pyrrolidine-2,5-dicarboxylic acid, an acidic amino acid component of marine red Schizymenia dubyi, has been synthesized with a direct chain elongation reaction of N-carbamoylpyroglutamates at C-5 and a pyrrolidine ring formation.

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