(S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID
Synonym(s):L -α-Hydroxyisovaleric acid
- CAS NO.：17407-55-5
- Empirical Formula: C5H10O3
- Molecular Weight: 118.13
- MDL number: MFCD00066443
- EINECS: 605-704-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:20:16
What is (S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID?
Chemical properties
white fine crystalline powder
The Uses of (S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID
A useful chiral building block for peptide synthesis. Used in the preparation of the cytotoxic didemnin cyclopeptides and of the antineoplastic agent dolastatin 15.
What are the applications of Application
(S)-(+)-2-hydroxy-3-Methylbutyric Acid is a simple a-hydroxy acid for synthesis
Definition
ChEBI: (S)-2-hydroxy-3-methylbutyric acid is the S-enantiomer of 2-hydroxy-3-methylbutyric acid. It is used as a chiral building block for peptide synthesis. It has a role as a chiral reagent and a human metabolite. It is a conjugate acid of a (S)-2-hydroxy-3-methylbutyrate. It is an enantiomer of a (R)-2-hydroxy-3-methylbutyric acid.
Properties of (S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID
| Melting point: | 68-70 °C (lit.) |
| Boiling point: | 124-125 °C/13 mmHg (lit.) |
| Density | 1.136 |
| refractive index | 1.4641 (estimate) |
| Flash point: | 112℃ |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/ml; PBS (pH 7.2): 10 mg/ml |
| pka | 3.87±0.16(Predicted) |
| form | Powder |
| color | White |
| optical activity | [α]20/D +19°, c = 1 in chloroform |
| BRN | 1721140 |
| CAS DataBase Reference | 17407-55-5(CAS DataBase Reference) |
Safety information for (S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID
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