Cas 128778-05-2,6-Methyl-4-oxo-9-[1-phenyl-meth-(Z)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester

128778-05-2

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Basic information

Product Name: 6-Methyl-4-oxo-9-[1-phenyl-meth-(Z)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester
Synonyms:
CAS NO:128778-05-2
Molecular Formula:
Molecular Weight: 324.379
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 6-Methyl-4-oxo-9-[1-phenyl-meth-(Z)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 6-Methyl-4-oxo-9-[1-phenyl-meth-(Z)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester(128778-05-2)
EPA Substance Registry System: 6-Methyl-4-oxo-9-[1-phenyl-meth-(Z)-ylidene]-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester(128778-05-2)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 128778-05-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 128778-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,7 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128778-05:
(8*1)+(7*2)+(6*8)+(5*7)+(4*7)+(3*8)+(2*0)+(1*5)=162
162 % 10 = 2
So 128778-05-2 is a valid CAS Registry Number.

128778-05-2Upstream product

93922-74-8 Ethyl 9-benzylidene-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido<1,2-a>pyrimidine-3-carboxylate

128778-05-2Downstream Products

128778-05-2Relevant academic research and scientific papers

Nitrogen Bridgehead Compounds. Part 77. Addition Reaction of 9-Methylene-6,7,8,9-tetrahydro-4H-pyridopyrimidin-4-ones

Toth, Gabor,Janke, Frank,Hermecz, Istvan,Bitter, Istvan

, p. 247 - 254 (2007/10/02)

Addition of bromine or thioacetic acid onto 6-methyl-9-methylenetetrahydro-4H-pyridopyrimidin-4-ones is stereoselective and gives cis 6-Me,9-CH substituted products.Addition is also stereoselective in respect to the C(9) and C(10) centers, and give

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