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4-Iodopyrazole

HCID 77022
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
3469-69-0
Standard SMILES
Ic1cn[nH]c1
InChIKey
LLNQWPTUJJYTTE-UHFFFAOYSA-N
Molecular formula
C3H3IN2
Average molar mass
193.97 g/mol
Monoisotopic mass
193.9341

Overview

4-iodopyrazole is a member of pyrazoles and an organoiodine compound.

Names & identifiers

Preferred name
4-Iodopyrazole
IUPAC
4-iodo-1H-pyrazole
English name
4-Iodopyrazole
Molecular formula
C3H3IN2
Molecular weight
193.97

Names & synonyms

4-Iodopyrazole4-Iodo-1H-pyrazole3469-69-0F33UJD465QCHEBI:45260DTXSID30188244RefChem:524266DTXCID60110735222-434-11H-Pyrazole, 4-iodo-MFCD000052444-iodo-pyrazole
Show more names
4 - iodine pyrazole4-iodopyrazol4-Lodophrazole4-LODO PYRAZOLE4-iodopyrazole 4-4-Iodopyrazole>4-IODOPYRAZOLE 99%4-Iodopyrazole ,98%
4-iodo pyrazolePyrazole, 4-iodo4-iodo-1H-pyrazol4-Iodopyrazole, 99%CHEMBL1235546AKOS005168313AC-4433SB12748

Database identifiers

CAS
3469-69-0
PubChem CID
77022
DTXSID
DTXSID30188244
ChEMBL
CHEMBL1235546
ChEBI
CHEBI:45260
UNII
F33UJD465Q
EC Number
222-434-1
Nikkaji
J216.139G

Properties

Computed structural propertiesFilling in

XLogP
1.7
Topological polar surface area
28.7 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
6
Formal charge
0
Complexity
48.1

Experimental & physicochemical properties

DrugsPharmaceuticals -> Listed in ZINC15
LogP1.7
Melting Point108-110 °C

Physicochemical properties

Melting point
108 · 108-110 °C (lit.)
Boiling point
291.9 · 291.9±13.0 °C(Predicted)
Density
2.335 · 2.335±0.06 g/cm3(Predicted)
RTECS
7145000 · UQ7145000
storage temp.
Keep in dark place,Sealed in dry,Room Temperature
pka
12.99 · 12.99±0.50(Predicted)
form
Crystalline Powder
color
White to off-white
Water Solubility
Soluble in water.
Sensitive
Light Sensitive

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H302 (91.8%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 49 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesAcute Tox. 4 (91.8%)

Safety data

PPE
dust mask type N95 (US), Eyeshields, Gloves
wgk
3
hs_code
29331990
risk_code
22-36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xn,Xi
safety_code
26
hazard_class
IRRITANT
Storage Class
11 - Combustible Solids
target organs
Respiratory system
Hazard statements
H302-H315-H319-H335
Hazard Classifications
Acute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements
P261-P264-P270-P301+P312-P302+P352-P305+P351+P338

Chemistry & industry

Applications · 3 items

Uses4-Iodopyrazole is used in the synthesis of (pyrazolyl)oxobenzocycloheptapyridinyl acetamides that act as inhibitors of c-Met.

Uses4-Iodopyrazole was used in an indium-mediated synthesis of heterobiaryls.

General Description4-Iodopyrazole is a valuable intermediate for the synthesis of biologically active compounds. It undergoes iodination in the presence of iodine and ammonium hydroxide to yield 3,4-di-iodo- and 3,4,5-tri-iodo-pyrazole.

Upstream & downstream products

Upstream raw materials

3,4-Diiodopyrazole4-BromopyrazolePyrazole1H-PYRAZOL-4-YLAMINEAcetonitrileiodineCeric ammonium nitrate

Downstream products

4-Iodo-1-methyl-1H-pyrazole1-BENZYL-1H-PYRAZOLE1-Benzyl-4-iodo-1H-pyrazole1H-pyrazole-1-acetic acid, 4-iodo-, ethyl ester1-Butyl-4-iodo-1H-pyrazole4-(2-(4-IODO-1H-PYRAZOL-1-YL)ETHYL)MORPHOLINE

Related reactions

193 records
New reaction record
HRID 16017 reaction equation
HRID 16017As reactantuspto-grants-2010_06
HRID 23446 reaction equation
HRID 23446As reactantuspto-grants-2005_02
HRID 24272 reaction equation
HRID 24272As reactantuspto-grants-2005_02
HRID 38235 reaction equation
HRID 38235As reactantuspto-grants-2013_09
HRID 41510 reaction equation
HRID 41510As reactantuspto-grants-2013_09
HRID 64081 reaction equation
HRID 64081As reactantuspto-grants-2016_09
HRID 69214 reaction equation
HRID 69214As reactantuspto-grants-2014_09
HRID 87811 reaction equation
HRID 87811As reactantTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
Page 1 of 25

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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InChI
InChI=1S/C3H3IN2/c4-3-1-5-6-2-3/h1-2H,(H,5,6)
InChIKey
LLNQWPTUJJYTTE-UHFFFAOYSA-N
SMILES
N1C=C(I)C=N1
CAS DataBase Reference
3469 · 3469-69-0(CAS DataBase Reference)
FDA UNII
33 UJD465Q · F33UJD465Q
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302-H315-H319-H335
Precautionary statements
261 · P261-P264-P270-P301+P312-P302+P352-P305+P351+P338
target organs
Respiratory system
PPE
95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes
Xn,Xi
Risk Statements
22 · 22-36/37/38
Safety Statements
26 · 26
WGK Germany
3 · 3
HazardClass
IRRITANT
HS Code
29331990 · 29331990
Storage Class
11 · 11 - Combustible Solids
Hazard Classifications
4 OralEye · Acute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
1H-Pyrazole, 4-iodo-1-[[2-(triMethylsilyl)ethoxy]Methyl]-

Additional notes

DefinitionChEBI: 4-iodopyrazole is a member of pyrazoles and an organoiodine compound.