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1331772-06-5

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1331772-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1331772-06-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,1,7,7 and 2 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1331772-06:
(9*1)+(8*3)+(7*3)+(6*1)+(5*7)+(4*7)+(3*2)+(2*0)+(1*6)=135
135 % 10 = 5
So 1331772-06-5 is a valid CAS Registry Number.

1331772-06-5Downstream Products

1331772-06-5Relevant academic research and scientific papers

Absolute configuration of lactams and oxazolidinones using kinetic resolution catalysts

Perry, Matthew A.,Trinidad, Jonathan V.,Rychnovsky, Scott D.

supporting information, p. 472 - 475 (2013/04/11)

A simple method for determining the absolute configuration of oxazolidinones, lactams, and their derivatives using kinetic resolution catalysts is described. The optically pure substrates were acylated using the (S)-HBTM and the (R)-HBTM catalyst, and the faster reaction was determined. An empirical mnemonic was developed for the assignment of the absolute configuration based on the fast-reacting catalyst.

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