1-Boc-4-bromopyrazole - ≥97% , CAS No.1150271-23-0

CAS: 1150271-23-0 Cat. No.: B166128 Molecular Weight: 247.09 EC Number: 693-330-5
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
N-boc-4-bromopyrazole | t-Butyl 4-bromo-1H-pyrazole-1-carboxylate | 1-Boc-4-bromopyrazole, 97% | TS-03397 | 1-Boc-4-bromopyrazole | 1150271-23-0 | SY022220 | EN300-7269363 | IQEFCRDQVLIADR-UHFFFAOYSA-N | J-003183 | A2352 | DS-1323 | TERT-BUTYL 4-BROMOPYRA
Storage
Store at 2-8°C
Shipped In
Wet ice
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1g
B166128-1g
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$9.90

$14.90
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5g
B166128-5g
1

$11.90

$17.90
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10g
B166128-10g
1

$21.90

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25g
B166128-25g
1

$26.90

$40.90
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100g
B166128-100g
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$106.90

$160.90
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
N-boc-4-bromopyrazole | t-Butyl 4-bromo-1H-pyrazole-1-carboxylate | 1-Boc-4-bromopyrazole, 97% | TS-03397 | 1-Boc-4-bromopyrazole | 1150271-23-0 | SY022220 | EN300-7269363 | IQEFCRDQVLIADR-UHFFFAOYSA-N | J-003183 | A2352 | DS-1323 | TERT-BUTYL 4-BROMOPYRA
Specifications & Purity
≥97%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCC(C)(C)OC(=O)N1C=C(C=N1)Br
IUPAC Nametert-butyl 4-bromopyrazole-1-carboxylate
InChIKeyIQEFCRDQVLIADR-UHFFFAOYSA-N
INCHI1S/C8H11BrN2O2/c1-8(2,3)13-7(12)11-5-6(9)4-10-11/h4-5H,1-3H3
Isomeric SMILES CC(C)(C)OC(=O)N1C=C(C=N1)Br
WGK Germany 3
Molecular Weight 247.09
Reaxy-Rn 23448719
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=23448719&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassPyrazoles
Intermediate Tree Nodes Not available
Direct ParentPyrazole carboxylic acids and derivatives
Alternative Parents Aryl bromides  Heteroaromatic compounds  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organobromides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyrazole-1-carboxylic acid or derivatives - Aryl halide - Aryl bromide - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organobromide - Organohalogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazole carboxylic acids and derivatives. These are heterocyclic compounds containing a pyrazole ring in which a hydrogen atom is replaced by a carboxylic acid group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

11 results found

Lot NumberCertificate TypeDateItem
H1912078Certificate of AnalysisMar 04, 2025 B166128
K2329322Certificate of AnalysisNov 18, 2023 B166128
K2329323Certificate of AnalysisNov 18, 2023 B166128
K2329324Certificate of AnalysisNov 18, 2023 B166128
K2329325Certificate of AnalysisNov 18, 2023 B166128
K2329326Certificate of AnalysisNov 18, 2023 B166128
D2230021Certificate of AnalysisMar 03, 2022 B166128
D2230030Certificate of AnalysisMar 03, 2022 B166128
D2230031Certificate of AnalysisMar 03, 2022 B166128
D2230041Certificate of AnalysisMar 03, 2022 B166128
D2230043Certificate of AnalysisMar 03, 2022 B166128

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Chemical and Physical Properties
Melt Point(°C)48-52°C
Molecular Weight247.090 g/mol
XLogP32.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass246 Da
Monoisotopic Mass246 Da
Topological Polar Surface Area44.100 Ų
Heavy Atom Count13
Formal Charge0
Complexity203.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
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