Isovaleric acid - Standard for GC, ≥99.5%(GC) , CAS No.503-74-2

CAS: 503-74-2 Cat. No.: I108280 Formula: C5H10O2 Molecular Weight: 102.13 Beilstein Registry Number: 1098522 EC Number: 207-975-3
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GRADE & PURITY Standard for GC ? GC reference standard — characterized compound for calibrating GC methods. Use to build calibration curves and verify GC quantitation. ≥99.5%(GC)
Synonyms
ISOVALERIC ACID (MART.) | Isobutyl formic acid | 3,4-Diisovaleryl adrenaline | BCP32116 | b-Methylbutyric acid | CAS-503-74-2 | CHEBI:28484 | DELPHINIC-ACID | EN300-19718 | 3-Methylbutyric acid | 3-methyl-butyric acid | 3-Methylbutyric acid: isopropyl-Ace
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
5ml
I108280-5ml
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Why this grade

Standard for GC, ≥99.5%(GC) Standard for GC 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.

📋

Quality documents

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

📚

Literature proof

Cited in 199 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
ISOVALERIC ACID (MART.) | Isobutyl formic acid | 3,4-Diisovaleryl adrenaline | BCP32116 | b-Methylbutyric acid | CAS-503-74-2 | CHEBI:28484 | DELPHINIC-ACID | EN300-19718 | 3-Methylbutyric acid | 3-methyl-butyric acid | 3-Methylbutyric acid: isopropyl-Ace
Specifications & Purity
Standard for GC, ≥99.5%(GC)
Storage
Room temperature
Shipped In
Normal
Grade
Standard for GC
Purity
≥99.5%(GC)
Names and Identifiers
Pubchem Sid
Canonical Smiles
CC(C)CC(=O)O
IUPAC Name
3-methylbutanoic acid
InChIKey
GWYFCOCPABKNJV-UHFFFAOYSA-N
INCHI
1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)
Isomeric SMILES
CC(C)CC(=O)O
WGK Germany
1
RTECS
NY1400000
UN Number
UN 3265
Packing Group
II
Molecular Weight
102.13
Beilstein
1098522
Reaxy-Rn
1098522
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1098522&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Branched fatty acids
Direct ParentMethyl-branched fatty acids
Alternative Parents Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Methyl-branched fatty acid - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present.
External Descriptors Branched fatty acids
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
HD1 Histone deacetylase (38 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Slc22a20 Solute carrier family 22 member 20 (86 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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
I2614686I2614686Certificate of AnalysisJul 27, 2026 I108280
D2521514D2521514Certificate of AnalysisApr 09, 2025 I108280
I2130293I2130293Certificate of AnalysisApr 03, 2025 I108280
F23161126F23161126Certificate of AnalysisMar 04, 2025 I108280
K2215881K2215881Certificate of AnalysisAug 21, 2024 I108280
Chemical and Physical Properties
Refractive Index1.399-1.407
Flash Point(°F)70℃
Flash Point(°C)70℃
Boil Point(°C)176°C
Melt Point(°C)-35°C
Molecular Weight102.130 g/mol
XLogP31.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass102.068 Da
Monoisotopic Mass102.068 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count7
Formal Charge0
Complexity66.500
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
Solution Calculators
Reviews

Customer Reviews

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