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123411-89-2

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123411-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123411-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,1 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123411-89:
(8*1)+(7*2)+(6*3)+(5*4)+(4*1)+(3*1)+(2*8)+(1*9)=92
92 % 10 = 2
So 123411-89-2 is a valid CAS Registry Number.

123411-89-2Relevant articles and documents

A Novel BF3*OEt2-Catalyzed Annulation of N-Cbz-α-Amino Aldehides with Allyltrimethylsilane. Highly Stereoselective Synthesis of Cis-2,3,5-Trisubstituted Pyrrolidines

Kiyooka, Syun-ichi,Shiomi, Yasuhiro,Kira, Haruhide,Kaneko, Yuichi,Tanimori, Shinji

, p. 1958 - 1960 (2007/10/02)

In the presence of BF3*OEt2 (0.2 molar equiv), the reactions (-10 deg C, CH2Cl2) of N-Cbz-α-amino aldehydes with allyltrimethylsilane produced pyrrolidines in good yields (70-80percent), with high all-cis stereoselectivity at the C-2, C-3, and C-5 positio

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