Cas 499222-77-4,Spiro[2H-indene-2,3'-[3H]pyrazole]-5'-carboxylic acid, 1,2',3,4'-tetrahydro-1,3-dioxo-2',4'-diphenyl-, methyl ester

499222-77-4

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Basic information

Product Name: Spiro[2H-indene-2,3'-[3H]pyrazole]-5'-carboxylic acid, 1,2',3,4'-tetrahydro-1,3-dioxo-2',4'-diphenyl-, methyl ester
Synonyms:
CAS NO:499222-77-4
Molecular Formula: C25H18N2O4
Molecular Weight: 410.429
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: Spiro[2H-indene-2,3'-[3H]pyrazole]-5'-carboxylic acid, 1,2',3,4'-tetrahydro-1,3-dioxo-2',4'-diphenyl-, methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Spiro[2H-indene-2,3'-[3H]pyrazole]-5'-carboxylic acid, 1,2',3,4'-tetrahydro-1,3-dioxo-2',4'-diphenyl-, methyl ester(499222-77-4)
EPA Substance Registry System: Spiro[2H-indene-2,3'-[3H]pyrazole]-5'-carboxylic acid, 1,2',3,4'-tetrahydro-1,3-dioxo-2',4'-diphenyl-, methyl ester(499222-77-4)

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: 499222-77-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 499222-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,2,2 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 499222-77:
(8*4)+(7*9)+(6*9)+(5*2)+(4*2)+(3*2)+(2*7)+(1*7)=194
194 % 10 = 4
So 499222-77-4 is a valid CAS Registry Number.

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499222-77-4Relevant academic research and scientific papers

Novel synthesis of 4,5-dihydrospiropyrazole-5,2′-indane-1′,3′-diones

Hassaneen, Hamdi M.,Elwan, Nehal M.,Hassaneen, Huwaida M.

, p. 3047 - 3055 (2002)

A novel synthesis of 4,5-dihydrospiropyrazole-5,2′-indane-1′,3′-diones 7a-n, 8a-c,e,f and 12a-f via the treatment of hydrazonoyl halides 1-3 with 2-arylidene indane-1,3-diones 6a-e respectively, is reported.

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