(2R,3S)-2-Amino-3,4-dihydroxybutanoic acid structure

(2R,3S)-2-Amino-3,4-dihydroxybutanoic acid

TL;DR: (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid (CAS 21768-44-5) is a chemical compound with molecular formula C4H9NO4 and molecular weight 135.05 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(2R,3S)-2-amino-3,4-dihydroxybutanoic acid

Also Known As: Hydroxythreonine, 2-Amino-2-deoxy-D-erythronic Acid, 4-Hydroxy-D-allothreonine, starbld0009790, (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid

CAS: 21768-44-5
Molecular Formula C4H9NO4
Molecular Weight 135.05 g/mol
LogP -2.2485
Topological Polar Surface Area 103.78 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 4
Rotatable Bonds 3
Exact Mass 135.05316
Heavy Atoms 9
Complexity 104.74076

Chemical Identifiers

CAS Number 21768-44-5
SMILES C([C@H]([C@H](C(=O)O)N)O)O

Product Overview

(2R,3S)-2-Amino-3,4-dihydroxybutanoic acid (CAS 21768-44-5), with molecular formula C4H9NO4 and molecular weight 135.05 g/mol. IUPAC: (2R,3S)-2-amino-3,4-dihydroxybutanoic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid

XLogP
-2.2485
TPSA (Topological Polar Surface Area)
103.78
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
4
Rotatable Bonds
3
Heavy Atoms
9
Complexity
104.74076
Exact Mass
135.05316
Monoisotopic Mass
135.05316
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid

The XLogP value of -2.2485 indicates that (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 103.78 Ų falls within the moderate polarity range, balancing permeability and solubility for (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid. Following Lipinski's Rule of Five, (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid has 4 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid?

The CAS number of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid is 21768-44-5.

What is the molecular formula of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid?

The molecular formula of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid is C4H9NO4.

What is the molecular weight of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid?

The molecular weight of (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid is 135.05 g/mol.

Where can I buy (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid?

You can request a quote for (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid?

Yes, KEHONG BIO provides custom synthesis services for (2R,3S)-2-Amino-3,4-dihydroxybutanoic acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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