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949446-72-4

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949446-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 949446-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,9,4,4 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 949446-72:
(8*9)+(7*4)+(6*9)+(5*4)+(4*4)+(3*6)+(2*7)+(1*2)=224
224 % 10 = 4
So 949446-72-4 is a valid CAS Registry Number.

949446-72-4Downstream Products

949446-72-4Relevant articles and documents

A synthesis of 5-hetaryl-3-(2-hydroxybenzoyl)pyrroles

Plaskon, Andrey S.,Ryabukhin, Sergey V.,Volochnyuk, Dmitriy M.,Shivanyuk, Alexander N.,Tolmachev, Andrey A.

, p. 5933 - 5943 (2008/09/21)

A facile and versatile procedure for the synthesis of 5-hetaryl-3-(2-hydroxybenzoyl)-1H-pyrroles and 4-(2-hydroxybenzoyl)-1H-pyrrole-2-carboxylic acid derivatives was established on the basis of TMSCl promoted recyclization of 3-formylchromone with various hetarylmethylamines and glycine derivatives.

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