DL-3-Aminoisobutyric acid - ≥98% , CAS No.144-90-1

CAS: 144-90-1 Cat. No.: D131745 Molecular Weight: 103.12 Beilstein Registry Number: 1720958 EC Number: 205-644-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
alpha-Methyl-beta-alanine | 3-Aminoisobutanoate | Propanoic acid, 3-amino-2-methyl- | 3-Aminoisobutyric acid | dl-beta-Aminoisobutyric acid | dl-3-Aminoisobutyric acid | 3-amino-2-methylpropanoic acid | beta-Aminoisobutyric acid
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D131745-1g
3
$36.90
5g
D131745-5g
1
$167.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

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

Overview

A beta-amino acid used for proteomics research.

Specifications

Synonyms
alpha-Methyl-beta-alanine | 3-Aminoisobutanoate | Propanoic acid, 3-amino-2-methyl- | 3-Aminoisobutyric acid | dl-beta-Aminoisobutyric acid | dl-3-Aminoisobutyric acid | 3-amino-2-methylpropanoic acid | beta-Aminoisobutyric acid
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Canonical SmilesCC(CN)C(=O)O
IUPAC Name3-amino-2-methylpropanoic acid
InChIKeyQCHPKSFMDHPSNR-UHFFFAOYSA-N
INCHI1S/C4H9NO2/c1-3(2-5)4(6)7/h3H,2,5H2,1H3,(H,6,7)
Isomeric SMILES CC(CN)C(=O)O
WGK Germany 3
RTECS UA2430000
Alternate CAS 10569-72-9
Molecular Weight 103.12
Beilstein 1720958
Reaxy-Rn 1720958
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1720958&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
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives
Direct ParentBeta amino acids and derivatives
Alternative Parents Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Beta amino acid or derivatives - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Amine - Organic oxide - Hydrocarbon derivative - Primary amine - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Primary aliphatic amine - Organic oxygen compound - Carbonyl group - Organic nitrogen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as beta amino acids and derivatives. These are amino acids having a (-NH2) group attached to the beta carbon atom.
External Descriptors Amino fatty acids
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.

6 results found

Lot NumberCertificate TypeDateItem
H2402196Certificate of AnalysisMay 11, 2026 D131745
H2402197Certificate of AnalysisMay 11, 2026 D131745
I2320165Certificate of AnalysisJul 10, 2025 D131745
I2320166Certificate of AnalysisJul 10, 2025 D131745
J2129647Certificate of AnalysisAug 01, 2023 D131745
J2129856Certificate of AnalysisAug 01, 2023 D131745
Chemical and Physical Properties
Melt Point(°C)179-182°C
Molecular Weight103.120 g/mol
XLogP3-2.900
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass103.063 Da
Monoisotopic Mass103.063 Da
Topological Polar Surface Area63.300 Ų
Heavy Atom Count7
Formal Charge0
Complexity72.100
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.