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1020701-52-3

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1020701-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1020701-52-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,7,0 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1020701-52:
(9*1)+(8*0)+(7*2)+(6*0)+(5*7)+(4*0)+(3*1)+(2*5)+(1*2)=73
73 % 10 = 3
So 1020701-52-3 is a valid CAS Registry Number.

1020701-52-3Relevant articles and documents

Trideuteromethylation Enabled by a Sulfoxonium Metathesis Reaction

Shen, Zuyuan,Zhang, Shilei,Geng, Huihui,Wang, Jiarui,Zhang, Xinyu,Zhou, Anqi,Yao, Cheng,Chen, Xiaobei,Wang, Wei

supporting information, p. 448 - 452 (2019/01/14)

A conceptually novel sulfoxonium metathesis reaction between TMSOI and cost-effective DMSO-d6 is developed for the efficient generation of a new trideuteromethylation reagent TDMSOI. The new reagent TDMSOI is produced highly efficiently by simply heating a mixture of TMSOI and DMSO-d6 and directly used for subsequent trideuteromethylation in a "one-pot" operation. The preparative power of the new versatile reagent and the "one-pot" protocol is demonstrated by its use to install the ?CD3 moiety into broad functionalities including phenols, thiophenols, acidic amines, and enolizable methylene units in high yield and at a useful level of deuteration (>87% D).

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