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1315268-71-3

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1315268-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1315268-71-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,5,2,6 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1315268-71:
(9*1)+(8*3)+(7*1)+(6*5)+(5*2)+(4*6)+(3*8)+(2*7)+(1*1)=143
143 % 10 = 3
So 1315268-71-3 is a valid CAS Registry Number.

1315268-71-3Downstream Products

1315268-71-3Relevant articles and documents

A simple and catalyst-free three-component method for the synthesis of spiro[indenopyrazolopyridine indoline]diones and spiro[indenopyridopyrimidine indoline]triones

Imani Shakibaei, Ghazaleh,Feiz, Afsaneh,Bazgir, Ayoob

experimental part, p. 556 - 562 (2012/04/18)

An efficient, simple and catalyst-free synthesis of spiro[indeno[1,2-b] pyrazolo[4,3-e]pyridine indoline]diones and spiro[acenaphthylene-indeno[1,2-b] pyrazolo[4,3-e]pyridine]diones by the three-component reaction of 1,3-indandione, pyrazol-5-amines and isatins or acenaphthylene-1,2-dione in refluxing ethanol is reported. Reaction of 2,6-diaminopyrimidin-4(3H)-one with 1,3-indandione and isatins resulted in the formation of 1H-spiro[indeno[1,2-b] pyrido[2,3-d]pyrimidine-5,3′-indoline]-2′,4,6(11H)-triones.

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