O-Phospho-L-threonine
O-Phospho-L-threonine (CAS: 1114-81-4, C4H10NO6P) is a modified amino acid with a molecular weight of 199.10 g/mol. It serves as a crucial biochemical reagent in various research applications. Its phosphorylated structure makes it valuable in studies related to protein phosphorylation and metabolic pathways. This compound is essential for researchers investigating cellular signaling and enzymatic activity within biological systems.
- IUPAC
- (S)-2-Amino-3-hydroxybutanoic acid 3-phosphate,L-Threonine O-phosphate

Biochemical Research
O-Phospho-L-threonine is utilised in biochemical laboratories for studying enzyme kinetics and protein modification. Its availability supports investigations into phosphorylation-dependent biological processes.
Cellular Signalling Studies
This compound is a valuable tool for researchers exploring cellular signal transduction pathways. It aids in understanding the mechanisms by which cells communicate and respond to stimuli.
Metabolic Pathway Analysis
O-Phospho-L-threonine contributes to the analysis of metabolic pathways involving amino acid modifications. It assists in elucidating the roles of phosphorylated intermediates in cellular metabolism.
| Molecular weight | 199.10 |
|---|---|
| Empirical formula | C4H10NO6P |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is O-Phospho-L-threonine used for?
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O-Phospho-L-threonine is primarily used in biochemical research and studies related to cellular signalling and metabolic pathways, particularly those involving protein phosphorylation.
What is the CAS number and formula for O-Phospho-L-threonine?
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The CAS number for O-Phospho-L-threonine is 1114-81-4, and its empirical formula is C4H10NO6P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Phospho-L-threonine for research purposes. The specific grade and purity available may vary; please contact us for current specifications. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should O-Phospho-L-threonine be handled and stored?
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O-Phospho-L-threonine should be handled with appropriate personal protective equipment, including eyeshields and gloves. It is recommended to store the compound at -20°C. The safety data indicates a WGK Germany rating of 3.
How is O-Phospho-L-threonine packed and shipped?
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O-Phospho-L-threonine is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a sample or quote for O-Phospho-L-threonine?
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To request a sample or a quote for O-Phospho-L-threonine, please contact our sales team through the website or by phone. Please reference the product name and CAS number.
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