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1431660-75-1

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1431660-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1431660-75-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,6,6 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1431660-75:
(9*1)+(8*4)+(7*3)+(6*1)+(5*6)+(4*6)+(3*0)+(2*7)+(1*5)=141
141 % 10 = 1
So 1431660-75-1 is a valid CAS Registry Number.

1431660-75-1Downstream Products

1431660-75-1Relevant articles and documents

Acid mediated coupling of aliphatic amines and nitrosoarenes to indoles

Roy, Subhra Kanti,Purkait, Anisha,Aziz, Sk Md Tarik,Jana, Chandan K.

, p. 3167 - 3170 (2020)

Traditionally, amines react with nitrosoarenes to provide the corresponding imines or azo compounds. Herein, we report an acid mediated annulation reaction of aliphatic amines and nitrosoarenes to provide indole derivatives. The elusive direct annulation of aliphatic amines and nitrosoarenes via simultaneous C-C and C-N bond formation was achieved under metal free conditions. This conceptually novel method for indole synthesis does not require pre-functionalization steps for the new C-C and C-N bond formation. The method has been applied for an elegant synthesis of nor-neocryptolepine and neocryptolepine.

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