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Molekula

Molekula

L-Valine

SKU 11273495 CAS 72-18-4 (CH3)2CHCH(NH2)CO2H MW 117.15 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

L-Valine is an essential branched-chain amino acid critical for protein synthesis, muscle metabolism, and energy production in humans and animals. It’s widely used in pharmaceuticals, sports nutrition, and as a nutrient in cell culture media. This white crystalline powder has a CAS number of 72-18-4, molecular formula (CH3)2CHCH(NH2)CO2H, and a molecular weight of 117.15 g/mol. It requires no special storage—ambient conditions suffice—and carries no signal word for hazard classification. Molekula supplies L-Valine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 100 g — $56.10 per pack
  • 500 g — $177.30 per pack

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Specifications

Property Value
Appearance White crystals or crystalline powder
Specific rotation +26.6° to +28.8°
pH 5.5 - 7.0
Loss on Drying ≤ 0.30%
Chloride (Cl-) ≤ 0.05%
Assay 98.5 - 101.5%
Residue on Ignition ≤ 0.10%
Heavy Metals (Pb) ≤ 0.0015%
Iron (Fe) ≤ 0.003%
Sulphates (SO4)(2-) ≤ 0.03%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance White, crystalline solid
Melting Point 315 °C
Density 1.23 g/cm³ at 25 °C
Water Solubility 58.5 g/L at 25 °C
Solubility (other solvents) Very slightly soluble in alcohol; insoluble in ether
Vapour Pressure 0.00000003 mmHg
pKa pKa = 2.3 (at 13 °C)
log P (octanol/water) -2.26

Source: PubChem CID 6287 (HSDB, DrugBank, Haz-Map)

Identification

Property Value
SKU 11273495
CAS Number 72-18-4
IUPAC Name (2S)-2-amino-3-methylbutanoic acid
EC Number 200-773-6
Molecular Formula (CH3)2CHCH(NH2)CO2H
Molecular Weight 117.15
Exact Mass 117.079
SMILES CC(C)[C@@H](C(=O)O)N
InChIKey KZSNJWFQEVHDMF-BYPYZUCNSA-N
InChI InChI=1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1
PubChem CID 6287
REACH Code Y113
HTS Code 29224980
Tariff Code 2922498590

Safety & GHS

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • (2S)-2-amino-3-methylbutanoic acid
  • (S)-2-Amino-3-methylbutanoic acid
  • (S)-2-Amino-3-methylbutyric acid
  • (S)-Valine
  • 2-Amino-3-methylbutyric acid
  • L-alpha-Amino-beta-methylbutyric acid
  • L-valin
  • valina
  • valine
  • Valinum

Frequently asked questions

What is L-Valine commonly used for?

L-Valine is primarily used as a dietary supplement to support muscle growth, tissue repair, and metabolic functions. It’s also an essential amino acid in protein synthesis and is used in pharmaceuticals, cosmetics, and as a building block in peptide synthesis.

What is the chemical formula and molecular weight of L-Valine?

The chemical formula is **C₅H₁₁NO₂** (or **(CH₃)₂CHCH(NH₂)CO₂H**), and the molecular weight is **117.15 g/mol**.

How should L-Valine be stored?

Store L-Valine in a cool, dry place at **ambient temperature**, away from direct sunlight and moisture. Ensure containers are tightly sealed to prevent contamination.

What grades of L-Valine does Molekula supply?

Molekula supplies **pharmaceutical-grade (USP/EP/JP)** and **food-grade (FDA-compliant)** L-Valine, depending on the application requirements.

Can Molekula supply L-Valine in bulk quantities?

Yes, Molekula can supply L-Valine in bulk, with quantities ranging from **kilograms to metric tons**, subject to availability and customer specifications.

What documentation comes with an order of L-Valine?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** to verify purity, identity, and compliance with regulatory standards.

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