Orotic acid
Orotic acid (CAS 65-86-1), with the molecular formula C5H4N2O4 and a molecular weight of 156.10 g/mol, is a heterocyclic organic compound. It functions as a crucial intermediate in the biosynthesis of pyrimidines. Also known as vitamin B13, it finds application in biochemical research and as a building block in chemical synthesis. Tech Serve Solutions offers this compound at a purity of ≥98.0%.
- IUPAC
- 2,6-Dihydroxypyrimidine-4-carboxylic acid,6-Carboxy-2,4-dihydroxypyrimidine,6-Carboxyuracil,Uracil-6-carboxylic acid
- Synonyms
- 2,6-Dihydroxypyrimidine-4-carboxylic acid6-Carboxy-2,4-dihydroxypyrimidine6-CarboxyuracilUracil-6-carboxylic acid

Biochemical Research
Orotic acid is utilized in studies related to cell biology and nutrition research due to its role in pyrimidine metabolism. It serves as a substrate or reference compound in various biochemical assays.
Chemical Synthesis
As a heterocyclic building block, orotic acid is employed in the synthesis of more complex organic molecules. Its structure allows for diverse chemical modifications, making it valuable in synthetic organic chemistry.
Nutritional Studies
Historically referred to as vitamin B13, orotic acid is investigated for its potential roles in metabolic pathways and nutritional science. Research explores its endogenous production and biological significance.
| Molecular weight | 156.10 |
|---|---|
| Empirical formula | C5H4N2O4 |
| Assay | ≥98.0% (T) |
| Impurities tested | ≤1% water |
| Melting point | ≥300 °C |

Hazard statements
- H302Harmful if swallowed
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 Orotic acid used for?
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Orotic acid is used in biochemical research, particularly in cell biology and nutrition studies, and as a building block in chemical synthesis. It plays a role in pyrimidine biosynthesis.
What are the CAS number and formula for Orotic acid?
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The CAS number for Orotic acid is 65-86-1, and its molecular formula is C5H4N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Orotic acid with an assay of ≥98.0% (T). This is a research-grade chemical and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Orotic acid be handled safely?
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Orotic acid is classified as harmful if swallowed and causes skin and eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation.
Is Orotic acid a controlled substance?
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Based on the provided data, Orotic acid is not indicated as a controlled substance.
How is Orotic acid packed and shipped?
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Orotic acid is typically packed to ensure safe transit and is exported by Tech Serve Solutions globally. Specific packaging details can be provided upon request.
How can I request a sample or quote for Orotic acid?
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To request a sample or a quote for Orotic acid, please contact the Tech Serve Solutions sales team through our website or by phone, referencing the product name and CAS number.
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