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127568-43-8

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127568-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127568-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,5,6 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 127568-43:
(8*1)+(7*2)+(6*7)+(5*5)+(4*6)+(3*8)+(2*4)+(1*3)=148
148 % 10 = 8
So 127568-43-8 is a valid CAS Registry Number.

127568-43-8Downstream Products

127568-43-8Relevant articles and documents

Practical Synthesis of N -(Diphenylmethyl)- and N -(1-Adamantyl)amides Directly from Aldehydes via a One-Pot Schmidt and Ritter Reaction Sequence

Hazarika, Nabajyoti,Baishya, Gakul,Phukan, Prodeep

, p. 2851 - 2859 (2015/09/15)

Nonoxidative and noncoupling reaction conditions have been developed for the synthesis of N-(diphenylmethyl)- and N-(1-adamantyl)amide derivatives directly from aldehydes by employing the concept of a Schmidt and Ritter reaction sequence in a one-pot operation. The reagent mixture consisting of sodium azide and HBF4·OEt2 in acetic acid converts the aldehydes into their respective nitrile analogues which in situ undergo the Ritter reaction with diphenylmethanol or 1-adamantanol to afford the corresponding N-(diphenylmethyl)- or N-(1-adamantyl)amide derivatives in very good yields. The method does not require column chromatographic purification for isolation of the products. With its simple reaction procedure and easy product purification technique, this method outshines earlier conventional two-step methods.

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