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ChemicalBook >> CAS DataBase List >> 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine

4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine

4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine price.
  • $57 - $1040
  • Product name: 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine
  • CAS: 952518-97-7
  • MF: C9H7N5
  • MW: 185.19
  • EINECS:
  • MDL Number:MFCD20683197
  • Synonyms:4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;4-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-1H-pyrazole;Ruxolitinib Impurity G;7H-Pyrrolo[2,3-d]pyrimidine, 4-(1H-pyrazol-4-yl)-;4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine hydrochloride;Baricitinib Impurity 29;Ruxolitinib Diamine;4-(4-pyrazolyl)-7H-pyrrolo[2,3-d]pyrimidine
Price26 Properties Safety Information Description
26 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • American Custom Chemicals Corporation
  • Chemenu
  • Matrix Scientific
  • SynQuest Laboratories
  • Synthonix
  • TRC
Package
  • 5MG
  • 25mg
  • 100mg
  • 100.00mg
  • 250.00mg
  • 250mg
  • 500mg
  • 1.00g
  • 1g
  • 5G
  • Manufactureraablocks
  • Product numberAA00IKPZ
  • Product description4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 97%
  • Packaging100mg
  • Price$57
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IKPZ
  • Product description4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 97%
  • Packaging250mg
  • Price$96
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IKPZ
  • Product description4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 95%
  • Packaging500mg
  • Price$156
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IKPZ
  • Product description4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 97%
  • Packaging1g
  • Price$207
  • Updated2026-05-29
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberK12002
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%
  • Packaging1G
  • Price$285
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberK12002
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%
  • Packaging250MG
  • Price$135
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberK12002
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%
  • Packaging5G
  • Price$1040
  • Updated2026-05-27
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM1554663
  • Product description4-(1H-PYRAZOL-4-YL)-7H-PYRROLO[2,3-D]PYRIMIDINE 95.00%
  • Packaging5MG
  • Price$496.68
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging1g
  • Price$613
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging100mg
  • Price$120
  • Updated2026-05-20
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging100mg
  • Price$120
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging1g
  • Price$420
  • Updated2026-05-20
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging1g
  • Price$420
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging250mg
  • Price$180
  • Updated2026-05-20
  • Buy
  • ManufacturerChemenu
  • Product numberCM289990
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+
  • Packaging250mg
  • Price$180
  • Updated2026-05-26
  • Buy
  • ManufacturerMatrix Scientific
  • Product number311074
  • Product description4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine
  • Packaging100.00mg
  • Price$87
  • Updated2026-05-19
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00IKPZ 4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 97% 100mg $57 2026-05-29 Buy
aablocks AA00IKPZ 4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 97% 250mg $96 2026-05-29 Buy
aablocks AA00IKPZ 4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 95% 500mg $156 2026-05-29 Buy
aablocks AA00IKPZ 4-(1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-d]Pyrimidine 97% 1g $207 2026-05-29 Buy
ACHEMBLOCK K12002 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95% 1G $285 2026-05-27 Buy
ACHEMBLOCK K12002 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95% 250MG $135 2026-05-27 Buy
ACHEMBLOCK K12002 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95% 5G $1040 2026-05-27 Buy
American Custom Chemicals Corporation CHM1554663 4-(1H-PYRAZOL-4-YL)-7H-PYRROLO[2,3-D]PYRIMIDINE 95.00% 5MG $496.68 2021-12-16 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 1g $613 2021-12-16 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 100mg $120 2026-05-20 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 100mg $120 2026-05-26 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 1g $420 2026-05-20 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 1g $420 2026-05-26 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 250mg $180 2026-05-20 Buy
Chemenu CM289990 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 95%+ 250mg $180 2026-05-26 Buy
Matrix Scientific 311074 4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine 100.00mg $87 2026-05-19 Buy
Next Last

Properties

storage temp. :Store at room temperature
form :Solid
color :White to off-white

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

4-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-1H-pyrazole is used in the preparation of deazapurines such as Ruxolitinib(R702000) which is a selective Janus tyrosine kinase (JAK1 and JAK2) inhibitor used in the treatment of myeloproliferative neoplasms and psoriasis. Potent JAK2 inhibitor.

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