O-Phospho-DL-serine
O-Phospho-DL-serine (CAS: 17885-08-4), with the molecular formula C3H8NO6P and a molecular weight of 185.07 g/mol, is a modified amino acid derivative. It serves as a valuable biochemical reagent in research and development. This compound is essential for studies involving phosphorylation and amino acid metabolism, contributing to a deeper understanding of biological pathways.
- IUPAC
- DL-2-Amino-3-hydroxypropanoic acid 3-phosphate,DL-SOP,DL-Serine monophosphoric acid

Biochemical Research
O-Phospho-DL-serine is utilized in biochemical research to investigate protein phosphorylation processes and the role of phosphorylated amino acids in cellular signalling. Its structure makes it a useful tool for enzyme studies and metabolic pathway analysis.
Synthetic Chemistry
As a building block in organic synthesis, O-Phospho-DL-serine can be incorporated into more complex molecules. It is particularly relevant in the synthesis of peptides and other biologically active compounds requiring phosphorylated serine residues.
Diagnostic Reagent Development
This compound may find application in the development of diagnostic reagents. Its specific biochemical properties can be leveraged in assays designed to detect or quantify certain biological markers or enzyme activities.
| Molecular weight | 185.07 |
|---|---|
| Empirical formula | C3H8NO6P |
| Assay | ≥98.0% (NT) |
| Impurities tested | ≤0.5% free serine (TLC)≤1% water |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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-DL-serine used for?
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O-Phospho-DL-serine is used in biochemical research for studying protein phosphorylation and amino acid metabolism, and as a building block in synthetic chemistry for creating peptides and other biologically active molecules.
What is the CAS number and formula for O-Phospho-DL-serine?
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The CAS number for O-Phospho-DL-serine is 17885-08-4, and its molecular formula is C3H8NO6P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Phospho-DL-serine with a purity of ≥98.0% (NT). This is a technical/research grade and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should O-Phospho-DL-serine be handled?
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O-Phospho-DL-serine is a Warning irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a respirator (type N100 US or P3 EN143). Ensure good ventilation.
Is O-Phospho-DL-serine a controlled substance?
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The provided data does not indicate that O-Phospho-DL-serine is a controlled substance.
How can I request a sample or quote for O-Phospho-DL-serine?
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Please contact the Tech Serve Solutions sales team via our website or by phone to request a sample or a formal quotation for O-Phospho-DL-serine.
How is O-Phospho-DL-serine packed and shipped?
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O-Phospho-DL-serine is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions. Specific packaging details can be provided upon request.
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