Allantoin
Allantoin (CAS 97-59-6), with the molecular formula C4H6N4O3 and a molecular weight of 158.12 g/mol, is a diureide of glyoxylic acid. This crystalline solid is recognised for its beneficial properties in skincare and is frequently incorporated into cosmetic and pharmaceutical formulations. Its chemical structure and biological relevance make it a valuable compound in various research and development applications within the life sciences.
- IUPAC
- 5-Ureidohydantoin,Glyoxylic(acid) diureide,NSC 7606
- Synonyms
- 5-UreidohydantoinGlyoxylic acid diureide5-ureidodihydrouracil

Cosmetic Formulations
Allantoin is widely used in cosmetic products for its keratolytic, moisturizing, and soothing properties. It helps to promote cell proliferation and wound healing, making it a key ingredient in skin creams, lotions, and balms.
Pharmaceutical Intermediates
As a chemical building block, allantoin serves as an intermediate in the synthesis of various pharmaceutical compounds. Its presence in metabolic pathways also makes it a subject of study in drug discovery and development.
Research and Development
In research settings, allantoin is utilised in studies related to cell biology, metabolomics, and nutrition research due to its role in biological processes and its classification as a phytochemical.
| Molecular weight | 158.12 |
|---|---|
| Empirical formula | C4H6N4O3 |
| Assay | ≥98.0% (N) |
| Melting point | 230 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 22 |
| Ignition residue | ≤0.2% |
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 Allantoin used for?
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Allantoin is primarily used in cosmetic formulations for its soothing, moisturizing, and keratolytic properties, promoting skin healing and regeneration. It also serves as a chemical intermediate and is studied in various life science research applications.
What are the CAS number and chemical formula for Allantoin?
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The CAS number for Allantoin is 97-59-6, and its chemical formula is C4H6N4O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Allantoin with an assay of ≥98.0% (N). This product is not represented as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated. We offer this chemical for research and laboratory use.
How should Allantoin be handled safely?
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Allantoin is classified with a 'Warning' signal word and carries the hazard statement H302 (Harmful if swallowed). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid dust formation.
How is Allantoin packed, shipped, and exported?
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Tech Serve Solutions ensures Allantoin is carefully packed to maintain its integrity during transit. We are experienced global suppliers and exporters of fine chemicals, adhering to all relevant shipping regulations for international distribution.
How can I request a sample or quote for Allantoin?
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To request a sample or a quote for Allantoin, please contact our sales department through the website or by phone. Our team will be pleased to assist you with your requirements.
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