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267011-74-5

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267011-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 267011-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,0,1 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 267011-74:
(8*2)+(7*6)+(6*7)+(5*0)+(4*1)+(3*1)+(2*7)+(1*4)=125
125 % 10 = 5
So 267011-74-5 is a valid CAS Registry Number.

267011-74-5Relevant articles and documents

δ-Amino β-keto Esters, a designed polyfunctionalized chiral building block for alkaloid synthesis. Asymmetric synthesis of (R)-(+)-2-phenylpiperidine and (-)-SS20846A

Davis, Franklin A.,Chao, Bin,Fang, Tianan,Szewczyk, Joanna M.

, p. 1041 - 1043 (2007/10/03)

δ-Amino β-keto esters 3 and 11 are designed polyfunctionalized chiral building blocks for alkaloid synthesis and are prepared in one step from the corresponding sulfinimine (N-sulfinyl imine). Concise highly enantioselective four-step syntheses of 2-phenylpiperidine (7) and SS20846A (14) from 3 and 11, respectively, are described.

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