Cas 1383841-23-3,dimethyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-2,3-dicarboxylate

1383841-23-3

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Product Name: dimethyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-2,3-dicarboxylate
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CAS NO:1383841-23-3
Molecular Formula:
Molecular Weight: 453.519
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: dimethyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-2,3-dicarboxylate(CAS DataBase Reference)
NIST Chemistry Reference: dimethyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-2,3-dicarboxylate(1383841-23-3)
EPA Substance Registry System: dimethyl 1-ethyl-6'-methylidene-4'-oxo-3'-phenyl-3',4',5,6-tetrahydro-1H-spiro[pyridine-4,5'-thieno[2,3-d]pyrimidine]-2,3-dicarboxylate(1383841-23-3)

Safety Data

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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1383841-23-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1383841-23-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,8,4 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1383841-23:
(9*1)+(8*3)+(7*8)+(6*3)+(5*8)+(4*4)+(3*1)+(2*2)+(1*3)=173
173 % 10 = 3
So 1383841-23-3 is a valid CAS Registry Number.

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1383841-23-3Relevant academic research and scientific papers

Transformations of tetrahydropyrido[4′,3′:4,5]thieno[2,3-d] pyrimidin-4(3H)-ones in the presence of alkynes bearing electron-withdrawing substituents

Voskressensky,Borisova,Kovaleva,Listratova,Kulikova,Khrustalev,Ovcharov,Varlamov

, p. 370 - 379 (2013/06/05)

Tetrahydropyrido[4′,3′:4,5]thieno[2,3-d]pyrimidines in the presence of activated alkynes were transformed into mixtures of pyrimido[5′,4′:4,5]thieno[3,2-d]azocines and spiro[pyridine-4, 5′-thieno[2,3-d]pyrimidines].

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