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27409-56-9

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27409-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27409-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,4,0 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 27409-56:
(7*2)+(6*7)+(5*4)+(4*0)+(3*9)+(2*5)+(1*6)=119
119 % 10 = 9
So 27409-56-9 is a valid CAS Registry Number.

27409-56-9Relevant articles and documents

Reactivity of the ester group attached isoxazoline, benzisoxazole, and isoxazole: A facial preparation of 3-acyl-substituted these heterocycles

Murai, Kenichi,Miyazaki, Shuji,Fujioka, Hiromichi

, p. 3746 - 3749 (2012/10/07)

A facile preparation of 3-acyl-substituted isoxazolines, benzisoxazoles, and isoxazoles from the corresponding 3-carboxylate esters is described. The process, involving reaction of the ester derivative of 3-carboxylic acid substituted heterocycles with Gr

ETHYL 5-SUBSTITUTED-3-ISOXAZOLECARBOXYLATES AS STARTING MATERIALS FOR A CONVENIENT ROUTE TO 3(2H)FURANONES AND 3(2H)IMINOFURANES.

Baraldi, Pier Giovanni,Barco, Achille,Benetti, Simonetta,Manfredini, Stefano,Pollini, Gian Piero,Simoni, Daniele

, p. 4313 - 4316 (2007/10/02)

Cyclodehydration of γ-hydroxy-β-enaminoketones derived from 5-substituted-3-isoxazolemethanols leads to 3(2H)furanones or 3(2H)iminofuranes depending on the substitution pattern and on the reaction conditions.

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