2-Aminobenzoxazole - ≥97% , CAS No.4570-41-6

CAS: 4570-41-6 Cat. No.: B137603 Molecular Weight: 134.14 Beilstein Registry Number: 115981 EC Number: 224-952-3
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
aminobenzoxazole | 2-Aminobenzoxazole, >=97.0% | Benzooxazol-2-ylamine | NSC26184 | NSC-26184 | 1,3-Benzoxazol-2-amine # | benzoxazole, 2-amino | FT-0635364 | 2-aminobenzoxazol | SCHEMBL95021 | EN300-13059 | BCP08019 | EINECS 224-952-3 | 2-Aminobenzoxazol
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
B137603-1g
2

$9.90

$14.90
Save $5.00 (33.56%)
5g
B137603-5g
3

$19.90

$29.90
Save $10.00 (33.44%)
25g
B137603-25g
3

$70.90

$106.90
Save $36.00 (33.68%)
100g
B137603-100g
2

$275.90

$413.90
Save $138.00 (33.34%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

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.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
aminobenzoxazole | 2-Aminobenzoxazole, >=97.0% | Benzooxazol-2-ylamine | NSC26184 | NSC-26184 | 1, 3-Benzoxazol-2-amine # | benzoxazole, 2-amino | FT-0635364 | 2-aminobenzoxazol | SCHEMBL95021 | EN300-13059 | BCP08019 | EINECS 224-952-3 | 2-Aminobenzoxazol
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
Pubchem Sid504752996
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752996
Canonical SmilesC1=CC=C2C(=C1)N=C(O2)N
IUPAC Name1,3-benzoxazol-2-amine
InChIKeyJPBLHOJFMBOCAF-UHFFFAOYSA-N
INCHI1S/C7H6N2O/c8-7-9-5-3-1-2-4-6(5)10-7/h1-4H,(H2,8,9)
Isomeric SMILES C1=CC=C2C(=C1)N=C(O2)N
WGK Germany 3
RTECS DM4500000
Molecular Weight 134.14
Beilstein 115981
Reaxy-Rn 115981
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=115981&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.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzoxazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzoxazoles
Alternative Parents Benzenoids  Oxazoles  Heteroaromatic compounds  Oxacyclic compounds  Azacyclic compounds  Primary amines  Organopnictogen compounds  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzoxazole - Benzenoid - Azole - Oxazole - Heteroaromatic compound - Oxacycle - Azacycle - Amine - Hydrocarbon derivative - Primary amine - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoxazoles. These are organic compounds containing a benzene fused to an oxazole ring Oxazole is five-membered aromatic ring with a nitrogen and an oxygen atoms at the 1- and 3-position, respectively.
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.

4 results found

Lot NumberCertificate TypeDateItem
L2122118Certificate of AnalysisJul 15, 2025 B137603
L2122124Certificate of AnalysisJul 15, 2025 B137603
L2122388Certificate of AnalysisJul 15, 2025 B137603
L2122390Certificate of AnalysisJul 15, 2025 B137603
Chemical and Physical Properties
SolubilitySoluble in water (4370 mg/L) at 25 °C.
Melt Point(°C)128-133 °C
Molecular Weight134.140 g/mol
XLogP31.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass134.048 Da
Monoisotopic Mass134.048 Da
Topological Polar Surface Area52.100 Ų
Heavy Atom Count10
Formal Charge0
Complexity129.000
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
Citations of This Product
References
1. Yuan-Yuan Liu, Jian-Hua Cao, Yue Li, Ya-Kun Wang, Da-Yong Wu.  (2023)  Effects of rigid end-capped groups on the structure and properties of colorless polyamide-imide films.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2023.112528]
Solution Calculators
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