Molekula
D-Isoleucine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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, 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 in 100 mg packs, from £120.84 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 8 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
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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.
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
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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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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?
Please contact Molekula for current grade and specification details for D-Isoleucine.
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.
Where can I buy D-Isoleucine?
Directly from Molekula, which lists D-Isoleucine in 100 mg packs from £120.84 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.