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1272972-19-6

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1272972-19-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1272972-19-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,9,7 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1272972-19:
(9*1)+(8*2)+(7*7)+(6*2)+(5*9)+(4*7)+(3*2)+(2*1)+(1*9)=176
176 % 10 = 6
So 1272972-19-6 is a valid CAS Registry Number.

1272972-19-6Downstream Products

1272972-19-6Relevant articles and documents

Synthesis of novel 2-methyl and 2-cyanomethyl-12-aryl-8,12-dihydro-9Hchromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-11(10H )-one derivatives

Li, Bei,Wang, Zhong-Xia,Xing, Zheng,Chen, Li-Zhuang,Han, Guang-Fan

, p. 30 - 35 (2015)

2-Methyl and 2-cyanomethyl-12-aryl-8,12-dihydro-9H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-11(10H )-one derivatives were synthesised by the cyclisations of acetic anhydride or ethyl cyanoacetate with chromeno[2,3-d]pyrimidine derivatives, which wer

Synthesis of some new chromene derivatives, part 6

Fadda,Youssif

, p. 677 - 694 (2011/04/15)

Reactions of 2-amino-5-oxo-2-phenyl-5,6,7,8-tetrahydro-4H-chromen-3- carbonitrile (1a) with a variety of reagents leading to the synthesis of chromens have been investigated to explore the use of this exceptionally reactive nitrile in heterocyclic synthes

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