ChemicalBook > CAS DataBase List > 4-METHYLPHTHALAZIN-1(2H)-ONE

4-METHYLPHTHALAZIN-1(2H)-ONE

Product Name
4-METHYLPHTHALAZIN-1(2H)-ONE
CAS No.
5004-48-8
Chemical Name
4-METHYLPHTHALAZIN-1(2H)-ONE
Synonyms
-one;NSC 116342;ICX-56274004;AURORA KA-5078;4-Methylphthalazin-1-ol;4-Methyl-1-phthalazinol;4-Methyl-1-phthalazinone;4-Methylphthalazin-1(2H);4-METHYL-2H-PHTHALAZIN-1-ONE;4-METHYLPHTHALAZIN-1(2H)-ONE
CBNumber
CB3475472
Molecular Formula
C9H8N2O
Formula Weight
160.17
MOL File
5004-48-8.mol
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4-METHYLPHTHALAZIN-1(2H)-ONE Property

Melting point:
223-224°C
Density 
1.26±0.1 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
12.32±0.40(Predicted)
form 
crystalline powder
color 
Pale yellow
InChI
InChI=1S/C9H8N2O/c1-6-7-4-2-3-5-8(7)9(12)11-10-6/h2-5H,1H3,(H,11,12)
InChIKey
QRNVHFPDZAZUGX-UHFFFAOYSA-N
SMILES
C1(=O)C2=C(C=CC=C2)C(C)=NN1
CAS DataBase Reference
5004-48-8
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Safety

HS Code 
2933998090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S246468
Product name
4-METHYL-2H-PHTHALAZIN-1-ONE
Purity
AldrichCPR
Packaging
25mg
Price
$29.8
Updated
2024/03/01
TRC
Product number
H948285
Product name
Hydroxy-4-methylphthalazine
Packaging
50mg
Price
$125
Updated
2021/12/16
Matrix Scientific
Product number
145070
Product name
4-Methylphthalazin-1-ol
Purity
95%
Packaging
5g
Price
$620
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0014435
Product name
HYDROXY-4-METHYLPHTHALAZINE
Purity
95.00%
Packaging
1G
Price
$692.46
Updated
2021/12/16
Medical Isotopes, Inc.
Product number
10906
Product name
Hydroxy-4-methylphthalazine
Packaging
50mg
Price
$850
Updated
2021/12/16
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4-METHYLPHTHALAZIN-1(2H)-ONE Chemical Properties,Usage,Production

Chemical Properties

Colourless Cyrstalline Solid

Uses

Hydroxy-4-methylphthalazine (cas# 5004-48-8) is a compound useful in organic synthesis.

4-METHYLPHTHALAZIN-1(2H)-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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4-METHYLPHTHALAZIN-1(2H)-ONE Suppliers

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5004-48-8, 4-METHYLPHTHALAZIN-1(2H)-ONERelated Search:

(4-OXO-3,4-DIHYDROPHTHALAZIN-1-YL)ACETIC ACID (4-OXO-3,4-DIHYDRO-PHTHALAZIN-1-YL)-ACETIC ACID ETHYL ESTER 4-METHYLPHTHALAZIN-1(2H)-ONE 4-(4-CHLOROPHENYL)-1-(2H)-PHTHALAZINONE& 4-PHENYL-1(2H)-PHTHALAZINONE 4-Amino-8-methylphthalazin-1(2H)-one 2-(5-CHLORO-2-NITROPHENYL)-4-METHYLPHTHALAZIN-1(2H)-ONE 3-(4-FLUOROPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE ETHYL 2-(3-([4-(TERT-BUTYL)-1,3-THIAZOL-2-YL]METHYL)-4-OXO-3,4-DIHYDROPHTHALAZIN-1-YL)ACETATE 3-(4-METHOXYPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 3-(4-CHLOROPHENYL)-4-OXO-N-[3-(TRIFLUOROMETHYL)PHENYL]-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 3-(4-CHLOROPHENYL)-N-(2,4-DIFLUOROPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE N-BENZYL-3-(4-CHLOROPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 3-(4-CHLOROPHENYL)-N-(4-METHOXYPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 4-OXO-3-PHENYL-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 3-(4-CHLOROPHENYL)-N-(2,4-DICHLOROPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 4-OXO-3-[3-(TRIFLUOROMETHYL)PHENYL]-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE 3-(4-CHLOROPHENYL)-4-OXO-3,4-DIHYDRO-1-PHTHALAZINECARBOXAMIDE

  • 4-METHYLPHTHALAZIN-1(2H)-ONE
  • 4-METHYL-2H-PHTHALAZIN-1-ONE
  • AURORA KA-5078
  • 1-Methylphthalazine-4(3H)-one
  • ICX-56274004
  • 4-methyl-1(2H)-phthalazinone(SALTDATA: FREE)
  • 4-Methyl-1-phthalazinol
  • 4-Methyl-1-phthalazinone
  • NSC 116342
  • 4-Methylphthalazin-1-ol
  • 1(2H)-Phthalazinone, 4-methyl-
  • 4-METHYL-1(2H)-PHTHALAZINONE
  • 1-hydroxy-4-methylphthalazine
  • 1-methyl-3,4-dihydro-4-oxophthalazine
  • 4-Methylphthalazin-1(2H)
  • 4-methyl-1,2-dihydrophthalazin-1-one
  • -one
  • 4-methyl-1,2-dihydrophthalazin-1-one - [M86835]
  • 5004-48-8
  • Miscellaneous Reagents