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344334-23-2

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344334-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344334-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,3 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 344334-23:
(8*3)+(7*4)+(6*4)+(5*3)+(4*3)+(3*4)+(2*2)+(1*3)=122
122 % 10 = 2
So 344334-23-2 is a valid CAS Registry Number.

344334-23-2Downstream Products

344334-23-2Relevant articles and documents

Synthesis in dry media coupled with microwave irradiation: Application to the preparation of β-aminoesters and β-lactams via silyl ketene acetals and aldimines

Texier-Boullet, Francoise,Latouche, Regine,Hamelin, Jack

, p. 2123 - 2126 (2007/10/02)

According to the reaction conditions, silyl ketene acetals react with aldimines to give β-aminoesters (montmorillonite clay K10, or para-toluenesulfonic acid) or β-lactams (KF/18 crown-6) in a few minutes under microwave irradiation.

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