Cas 287491-51-4,2-hydrazino-4-oxo-3-p-tolyl-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)

287491-51-4

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Basic information

Product Name: 2-hydrazino-4-oxo-3-p-tolyl-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)
Synonyms: 2-hydrazino-4-oxo-3-p-tolyl-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)
CAS NO:287491-51-4
Molecular Formula:
Molecular Weight: 372.47
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: 2-hydrazino-4-oxo-3-p-tolyl-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)(CAS DataBase Reference)
NIST Chemistry Reference: 2-hydrazino-4-oxo-3-p-tolyl-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)(287491-51-4)
EPA Substance Registry System: 2-hydrazino-4-oxo-3-p-tolyl-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)(287491-51-4)

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: 287491-51-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 287491-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,4,9 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 287491-51:
(8*2)+(7*8)+(6*7)+(5*4)+(4*9)+(3*1)+(2*5)+(1*1)=184
184 % 10 = 4
So 287491-51-4 is a valid CAS Registry Number.

287491-51-4Upstream product

287491-49-0 4-oxo-2-thioxo-3-p-tolyl-1,2,3,4,5,6-hexahydrospiro(benzo[h]quinazoline-5,1'-cyclopentane)

287491-51-4Downstream Products

287491-51-4Relevant academic research and scientific papers

Synthesis of triazoles and tetrazoles condensed with spiro(benzo[h]quinazoline-5,1′-cycloalkanes)

Markosyan,Kuroyan,Karapetyan

, p. 1345 - 1348 (1999)

3-p-Tolyl- and 3-cyclohexyl-4-oxo-2-thioxo-1,2,3,4,5,6-hexahydrospiro(benzo[h]quinazoline-5, 1′-cycloalkanes) react with hydrazine hydrate to give 2-hydrazino-3-substituted 4-oxo-3,4,5,6-tetrahydrospiro(benzo[h]quinazoline-5,1′-cycloalkanes), from which t

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