5-Bromo-1-methyl-1H-1,2,4-triazole - ≥97% , CAS No.16681-72-4

CAS: 16681-72-4 Cat. No.: B138350 Molecular Weight: 161.99 EC Number: 808-782-2
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
SCHEMBL545675 | SY021471 | 1-Methyl-5-bromo-1,2,4-triazole | ZYLIOXAULQKGII-UHFFFAOYSA-N | J-516811 | A810776 | AKOS006308182 | DTXSID40168193 | 5-bromo-1-methyl-1,2,4-triazole | AC-22983 | STL415245 | 1H-1,2,4-Triazole,5-bromo-1-methyl- | EN300-216044 |
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
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250mg
B138350-250mg
2

$10.90

$16.90
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1g
B138350-1g
4

$16.90

$25.90
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5g
B138350-5g
3

$34.90

$52.90
Save $18.00 (34.03%)
10g
B138350-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$64.90

$97.90
Save $33.00 (33.71%)
25g
B138350-25g
1

$151.90

$227.90
Save $76.00 (33.35%)
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Why this grade

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

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Storage & shipping

Room temperature Ships Normal 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
SCHEMBL545675 | SY021471 | 1-Methyl-5-bromo-1, 2, 4-triazole | ZYLIOXAULQKGII-UHFFFAOYSA-N | J-516811 | A810776 | AKOS006308182 | DTXSID40168193 | 5-bromo-1-methyl-1, 2, 4-triazole | AC-22983 | STL415245 | 1H-1, 2, 4-Triazole, 5-bromo-1-methyl- | EN300-216044 |
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488188067
Canonical SmilesCN1C(=NC=N1)Br
IUPAC Name5-bromo-1-methyl-1,2,4-triazole
InChIKeyZYLIOXAULQKGII-UHFFFAOYSA-N
INCHI1S/C3H4BrN3/c1-7-3(4)5-2-6-7/h2H,1H3
Isomeric SMILES CN1C(=NC=N1)Br
WGK Germany 3
Molecular Weight 161.99
Reaxy-Rn 606850
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=606850&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ 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
SuperclassOrganohalogen compounds
ClassAryl halides
SubclassAryl bromides
Intermediate Tree Nodes Not available
Direct ParentAryl bromides
Alternative Parents Triazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organobromides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aryl bromide - Heteroaromatic compound - 1,2,4-triazole - Azole - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Organobromide - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl bromides. These are organic compounds containing the acyl bromide functional 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.

5 results found

Lot NumberCertificate TypeDateItem
I2201007Certificate of AnalysisMar 11, 2026 B138350
J2523034Certificate of AnalysisOct 27, 2025 B138350
J2127355Certificate of AnalysisAug 01, 2023 B138350
J2127356Certificate of AnalysisAug 01, 2023 B138350
J2127397Certificate of AnalysisAug 01, 2023 B138350
Chemical and Physical Properties
Molecular Weight161.990 g/mol
XLogP31.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass160.959 Da
Monoisotopic Mass160.959 Da
Topological Polar Surface Area30.700 Ų
Heavy Atom Count7
Formal Charge0
Complexity67.200
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
Solution Calculators
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