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1239713-17-7

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1239713-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239713-17-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,1 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239713-17:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*1)+(3*3)+(2*1)+(1*7)=157
157 % 10 = 7
So 1239713-17-7 is a valid CAS Registry Number.

1239713-17-7Relevant articles and documents

Visible light bromide catalysis for oxazoline, pyrrolidine, and dihydrooxazine synthesesviaCsp3-H functionalizations

Kaur, Navdeep,Ziegelmeyer, Elizabeth C.,Farinde, Olutayo N.,Truong, Jonathon T.,Huynh, Michelle M.,Li, Wei

supporting information, p. 10387 - 10390 (2021/10/14)

A catalytic benzylic Csp3-H functionalization protocol is described here. This visible light-mediated process is centered on the utilization of a bromide catalyst and oxidant to generate a nitrogen (N)-centered radical for a site-selective hydrogen atom transfer (HAT) process. This strategy enabled the unconventional syntheses of a number of N-heterocycles dependent on the amide identity. We also discovered a nucleophilicity-dependent kinetic resolution for stereochemical differentiation of Csp3-H bonds that enabled the stereoselective synthesis ofcis- andtrans-oxazolines.

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