D-Ribulose 1,5-bisphosphate sodium salt hydrate
D-Ribulose 1,5-bisphosphate sodium salt hydrate (CAS: 14689-84-0) is a crucial biochemical reagent. As a key component of the Calvin cycle, it serves as a substrate for the enzyme ribulose bisphosphate carboxylase/oxygenase (RuBisCO), where it is metabolised into glycerate 3-phosphate. This compound is widely employed in research for identifying and characterising RuBisCO activity and for studies in photosynthesis and carbon fixation pathways. Available from TSS with an assay of ≥90%.
- IUPAC
- D-Ribulose 1,5-diphosphate,RuDP
- Synonyms
- D-Ribulose 1,5-diphosphate,RuDP

Biochemical Research
Used as a substrate in studies of the Calvin cycle and photosynthesis, particularly for investigating the activity of the enzyme ribulose bisphosphate carboxylase/oxygenase (RuBisCO).
Enzyme Characterisation
Essential for the identification, differentiation, and characterisation of various ribulose bisphosphate carboxylase/oxygenase (RuBisCO) isoforms in biochemical and molecular biology research.
Metabolic Pathway Studies
Employed in the analysis of carbon fixation pathways and other metabolic processes within plants and microorganisms, providing insights into cellular energy conversion.
| Empirical formula | C5H12O11P2 · xNa+ · yH2O |
|---|---|
| Assay | ≥90% |
| Solubility | H2O: soluble50 mg/mL, clear, colorless to light yellow |
| Storage temperature | −20°C |
| Application | Ribulose-1,5-bisphosphate (RuBP) is a component of the Calvin cycle that is metabolized into glycerate 3-phosphate (G3P) by the enzyme ribulose bisphosphate carboxylase/oxygenase (RuBisCO). RuBP is used to identify, differentiate and characterized ribulose bisphosphate carboxylase(s)/oxygenase(s) (RuBisCO). |

Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| Safety statements (S) | 22-26-36-45 |
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 D-Ribulose 1,5-bisphosphate sodium salt hydrate used for?
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D-Ribulose 1,5-bisphosphate sodium salt hydrate is primarily used in biochemical research as a substrate for ribulose bisphosphate carboxylase/oxygenase (RuBisCO) in studies of the Calvin cycle and photosynthesis. It is also used for characterising RuBisCO activity.
What is the CAS number and formula for D-Ribulose 1,5-bisphosphate sodium salt hydrate?
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The CAS number for the free acid form is 14689-84-0. The empirical formula is C5H12O11P2 · xNa+ · yH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies D-Ribulose 1,5-bisphosphate sodium salt hydrate with an assay of ≥90%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should D-Ribulose 1,5-bisphosphate sodium salt hydrate be handled?
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This compound is classified as toxic and causes skin and eye irritation. Handling requires appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a P2 respirator. Refer to the safety data sheet for comprehensive handling instructions.
Is D-Ribulose 1,5-bisphosphate sodium salt hydrate a controlled substance?
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The provided data does not indicate that D-Ribulose 1,5-bisphosphate sodium salt hydrate is a controlled substance.
How is this chemical exported and packaged?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Specific packaging and shipping details for D-Ribulose 1,5-bisphosphate sodium salt hydrate are available upon request, adhering to international transport regulations.
How can I request a quote or sample?
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To request a quote or a sample of D-Ribulose 1,5-bisphosphate sodium salt hydrate, please contact our sales team via the website or direct inquiry channels. Our team will assist you promptly.
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