Betamethasone 21-phosphate disodium
Betamethasone 21-phosphate disodium (CAS: 151-73-5), with the molecular formula C22H28FNa2O8P and a molecular weight of 516.40 g/mol, is a synthetic corticosteroid. It is recognised for its potent anti-inflammatory and immunosuppressive properties. Primarily utilised in research settings, it serves as a valuable tool in cell biology and studies related to cell signalling, inflammation, and hormonal pathways. Its disodium phosphate salt form enhances solubility, facilitating its use in various biological assays.

Anti-inflammatory Research
Used in laboratory settings to investigate inflammatory mechanisms and the efficacy of anti-inflammatory compounds. Its known corticosteroid action makes it a standard for comparison in drug discovery.
Cell Biology Studies
A valuable reagent for studying cellular responses to glucocorticoids, including effects on gene expression, cell proliferation, and differentiation. It is employed in signalling pathway investigations.
Hormone Research
Serves as a research chemical to explore the broader functions of steroid hormones within biological systems and their impact on various physiological processes.
Immunosuppression Investigations
Applied in vitro to study the modulation of immune responses, providing insights into the mechanisms by which corticosteroids suppress immune cell activity.
| Molecular weight | 516.40 |
|---|---|
| Empirical formula | C22H28FNa2O8P |
| Assay | ≥97% |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
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 Betamethasone 21-phosphate disodium used for?
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Betamethasone 21-phosphate disodium (CAS: 151-73-5) is primarily used as a research chemical in laboratory settings for investigations in cell biology, cell signalling, anti-inflammatory studies, and hormone research. It is not for human or veterinary use.
What are the CAS number and formula for Betamethasone 21-phosphate disodium?
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The CAS number for Betamethasone 21-phosphate disodium is 151-73-5, and its empirical formula is C22H28FNa2O8P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Betamethasone 21-phosphate disodium with a minimum assay of ≥97%. This product is intended for laboratory and research use only and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Betamethasone 21-phosphate disodium be handled safely?
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Betamethasone 21-phosphate disodium is classified as harmful if swallowed (H302). When handling, use a dust mask type N95 (US), wear eyeshields, and chemical-resistant gloves. Ensure adequate ventilation and avoid dust formation.
How is Betamethasone 21-phosphate disodium packed and exported?
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This compound is carefully packed to ensure stability and safety during transit. Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals.
How can I request a quote or sample for Betamethasone 21-phosphate disodium?
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To request a quote or a sample, please contact the Tech Serve Solutions sales team through our website or by calling our main line. Please reference the product name and CAS number (151-73-5).
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