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1200834-70-3

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1200834-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1200834-70-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,0,8,3 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1200834-70:
(9*1)+(8*2)+(7*0)+(6*0)+(5*8)+(4*3)+(3*4)+(2*7)+(1*0)=103
103 % 10 = 3
So 1200834-70-3 is a valid CAS Registry Number.

1200834-70-3Downstream Products

1200834-70-3Relevant academic research and scientific papers

Deuterium labelling of theaflavin

Peng, Weimin,Yao, Yin-Fang

experimental part, p. 312 - 315 (2010/07/06)

An efficient deuterium labelling of theaflavin, aiming at radiolabelling of theaflavin, was accomplished for the first time by using 4-deuterium-labelled epi-catechin as the precursor and the resulting D-labelled theaflavin was fully characterized by 1H NMR, 13C NMR, IR spectroscopy and ESI-MS. The synthesis features a novel efficient polyphenol oxidase (PPO) catalyzed benzotropolone formation. PPO was bound onto a selected polymer by a novel efficient method developed in this lab.

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