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142188-46-3

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142188-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142188-46-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,8 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142188-46:
(8*1)+(7*4)+(6*2)+(5*1)+(4*8)+(3*8)+(2*4)+(1*6)=123
123 % 10 = 3
So 142188-46-3 is a valid CAS Registry Number.

142188-46-3Relevant academic research and scientific papers

Novel, Enantioselective Lactone Construction. First Synthesis of Methylenolactocin, Antitumor Antibiotic from Penicillium sp.

Azevedo, Mariangela B. M. de,Murta, Maria M.,Greene, Andrew E.

, p. 4567 - 4569 (2007/10/02)

The first synthesis of (-)-methylenolactocin, which illustrates a novel approach to enantiopure γ-butyrolactones and serves to confirm the structure and establish the absolute stereochemistry of the natural product, is reported.

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