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1253413-37-4

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1253413-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253413-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,4,1 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1253413-37:
(9*1)+(8*2)+(7*5)+(6*3)+(5*4)+(4*1)+(3*3)+(2*3)+(1*7)=124
124 % 10 = 4
So 1253413-37-4 is a valid CAS Registry Number.

1253413-37-4Downstream Products

1253413-37-4Relevant articles and documents

A stereoselective intramolecular cyclopropanation via a de novo class of push-pull carbenes derived from DMDO-epoxidations of chiral ynamides

Li, Hongyan,Antoline, Jennifer E.,Yang, Jin-Haek,Al-Rashid, Ziyad F.,Hsung, Richard P.

, p. 1309 - 1316 (2010/09/17)

This work describes the first examples of diastereoselective intramolecular cyclopropanations of a de novo class of push-pull carbenes derived from DMDO-epoxidations of chiral ynamides. This reaction sequence essentially constitutes a tandem epoxidation-cyclopropanation that effectively gives rise to a series of structurally unique amido-cyclopropanes. A plausible mechanistic model is proposed revealing insights into this novel cyclopropanation process.

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