Skip to content
Molekula

Molekula

D-Isoleucine

SKU 24366220 CAS 319-78-8 C2H5CH(CH3)CH(NH2)CO2H MW 131.17 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

D-Isoleucine is a non-proteinogenic amino acid used in peptide synthesis and biochemical research. It serves as a chiral building block in the development of pharmaceuticals and specialty chemicals. Available in powder form with a purity of ≥98%, it has a CAS number of 319-78-8, molecular formula C6H13NO2, and molecular weight of 131.17 g/mol. It is stored at ambient temperature, but it carries the signal word Warning and may cause skin irritation, serious eye irritation and respiratory irritation (H315, H319, H335), so handle it with suitable gloves, eye protection and good ventilation, avoiding dust inhalation. Molekula supplies D-Isoleucine 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 mg — £100.70 per pack ex VAT · £120.84 inc. VAT

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Vapour Pressure 0.00000001 mmHg

Source: PubChem CID 76551 (Haz-Map)

Identification

Property Value
SKU 24366220
CAS Number 319-78-8
IUPAC Name (2R,3R)-2-amino-3-methylpentanoic acid
EC Number 206-269-2
Molecular Formula C2H5CH(CH3)CH(NH2)CO2H
Molecular Weight 131.17
Exact Mass 131.0946
SMILES CC[C@@H](C)[C@H](C(=O)O)N
InChIKey AGPKZVBTJJNPAG-RFZPGFLSSA-N
InChI InChI=1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m1/s1
PubChem CID 76551
REACH Code Y113
HTS Code 2922.49.8000
Tariff Code 2922498590

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+P352 IF ON SKIN: Wash with soap and water
  • P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
  • P308+P313 IF exposed or concerned: Get medical advice/attention

Documents

Safety Data Sheets (SDS)

Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.

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

  • (2R, 3R)2Amino3methylpentanoic acid
  • (2R,3R)-2-Amino-3-methylvaleric acid
  • (R)-2-Amino-(S)-3-methylvaleric acid
  • (R)-Isoleucine
  • D-Ile
  • D-lsoleucine
  • H-D-Ile-OH
  • ISOLEUCINE, (-)-
  • Isoleucine, D-

Frequently asked questions

What is D-Isoleucine used for?

D-Isoleucine is primarily used in the synthesis of peptides and pharmaceuticals, and of other bioactive compounds.

What is the chemical formula and molecular weight of D-Isoleucine?

The chemical formula is C6H13NO2 and the molecular weight is 131.17 g/mol.

How should D-Isoleucine be stored?

D-Isoleucine should be stored at ambient temperature, protected from moisture and light.

What grade of D-Isoleucine is available?

Molekula supplies D-Isoleucine in high-purity research grade, suitable for laboratory and pharmaceutical applications.

Can Molekula supply D-Isoleucine in bulk?

Yes, Molekula can supply D-Isoleucine in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with a D-Isoleucine order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket