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trans-3-hexenedioic acid monobenzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

129159-00-8

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129159-00-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129159-00-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,5 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129159-00:
(8*1)+(7*2)+(6*9)+(5*1)+(4*5)+(3*9)+(2*0)+(1*0)=128
128 % 10 = 8
So 129159-00-8 is a valid CAS Registry Number.

129159-00-8Relevant academic research and scientific papers

Side Chain Specificity in the Enzymatic Synthesis of Penicillins

Baldwin, Jack E.,Schofield, Christopher J.,Smith, Bradley D.

, p. 3019 - 3028 (2007/10/02)

5-Carboxynaphth-1-oyl-, 4-carboxybenzoyl-, trans-5-carboxy-3-pentenoyl- and cis-5-carboxy-3-pentenoyl-L-cysteinyl-D-valine were shown to be converted by isopenicillin N synthetase to their corresponding penicillins in yields of 90percent, 12percent, 40per

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