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145221-64-3

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145221-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145221-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,2 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145221-64:
(8*1)+(7*4)+(6*5)+(5*2)+(4*2)+(3*1)+(2*6)+(1*4)=103
103 % 10 = 3
So 145221-64-3 is a valid CAS Registry Number.

145221-64-3Relevant articles and documents

Bynthesis of novel substituted pyridine derivatives from 3,5-diacetyl-2,6-dimethylpyridine

Zhang, Jun,Zhang, Min,Cao, Weiguo,Song, Liping,Qian, Qun,Tan, Jiwen

experimental part, p. 123 - 130 (2009/09/29)

A series of novel (1-acetyl-5-aryl-4,5-dihydro)-1 H-pyrazole substituted pyridine derivatives and poly substituted [2,3'-bipyridine]-5-carbonitrile derivatives were synthesized from 3,5-diacetyl- 2,6-dimethylpyridine. The structures of two typical 3,5-bis

PREPARATION OF NEW ORGANIC LUMINOPHORES BASED ON 3,5-DIACETYLPYRIDINES

Lhotak, Pavel,Kurfuerst, Antonin

, p. 1937 - 1946 (2007/10/02)

The reaction of acetylacetone or sodium salt of oxymethyleneacetone with corresponding aldehydes has been used to prepare 3,5-diacetyl-1,4-dihydropyridines III which have been oxidized to diacetylpyridines VII.These compounds have been transformed by an acid-catalyzed reaction with benzaldehyde into the chalcones VIII which have been utilized for the Kroehnke synthesis of luminophoric terpyridines I and II.

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