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(4R)-4-Phenyl-4,6,7,8-tetrahydro-3H-pyrido<2,1-c><1,4>oxazin-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

158221-61-5

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158221-61-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158221-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,2,2 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158221-61:
(8*1)+(7*5)+(6*8)+(5*2)+(4*2)+(3*1)+(2*6)+(1*1)=125
125 % 10 = 5
So 158221-61-5 is a valid CAS Registry Number.

158221-61-5Downstream Products

158221-61-5Relevant academic research and scientific papers

Asymmetric Synthesis. 32. A New Access to Enantiomerically Pure (S)-(-)-Pipecolic Acid and 2- or 6-Alkylated Derivatives

Berrien, J. -F.,Royer, J.,Husson, H. -P.

, p. 3769 - 3774 (1994)

Enantiomerically pure (S)-(-)-pipecolic acid (5) was synthesized in four steps and 47percent overall yield starting from 2-cyano-6-phenyloxazolopiperidine (1).A general strategy is described for preparing 2-alkylated and 6-alkylated pipecolic acid 7a-c and 11a-c using diastereoselective procedures.

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