Tech Serve Solutions

Cytosine

CAS 71-30-7C4H5N3OChemical Synthesis

Cytosine (CAS: 71-30-7), with the molecular formula C4H5N3O and a molecular weight of 111.10 g/mol, is a pyrimidine derivative fundamental to nucleic acids. This white crystalline solid serves as a crucial building block in chemical synthesis, particularly for heterocyclic compounds. It is widely utilised in biochemical research and the development of pharmaceutical intermediates. Tech Serve Solutions supplies high-purity Cytosine for demanding research and synthesis applications.

IUPAC
4-Amino-2-hydroxypyrimidine,4-Aminopyrimidin-2-(1H)-one
Synonyms
4-Amino-2-hydroxypyrimidine4-Aminopyrimidin-2-(1H)-one
Email us
Cytosine (C4H5N3O) — chemical structure, CAS 71-30-7; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC4 to C5Chemical SynthesisHeterocyclic Building BlocksPyrimidines
01 /Applications

Nucleic Acid Research

As one of the four main nucleobases in DNA and RNA, cytosine is indispensable for research into genetics, molecular biology, and the study of DNA/RNA structure and function. Its role in genetic code dictates its importance in all life science research.

Chemical Synthesis Intermediate

Cytosine functions as a key starting material and intermediate in the synthesis of various organic compounds. Its pyrimidine structure makes it valuable for constructing complex heterocyclic molecules used in medicinal chemistry and materials science.

Pharmaceutical Development

This compound is employed in the early stages of pharmaceutical development, serving as a precursor for nucleoside analogues and other therapeutic agents. Research into antiviral and anticancer drugs often involves modifications of nucleobases like cytosine.

Biochemical Studies

Cytosine is used in a wide range of biochemical studies, including investigations into DNA methylation, epigenetics, and enzyme mechanisms involving nucleic acids. It provides a fundamental component for studying these vital biological processes.

02 /Properties
Molecular weight111.10
Empirical formulaC4H5N3O
Assay≥99.0% (HPLC)
Melting point>300 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

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 equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)1
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.

04 /Identifiers & registry
CAS number
71-30-7
MDL number
MFCD00006034
PubChem substance
24858360
Beilstein registry
2637
05 /Quality & supply

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.

06 /Frequently asked questions

What is Cytosine (CAS 71-30-7) used for?

+

Cytosine is primarily used as a fundamental building block in nucleic acids (DNA and RNA), in biochemical research, chemical synthesis, and as an intermediate in pharmaceutical development.

What are the CAS number and formula for Cytosine?

+

The CAS number for Cytosine is 71-30-7, and its molecular formula is C4H5N3O.

What grade and purity does Tech Serve Solutions supply for Cytosine?

+

Tech Serve Solutions supplies Cytosine with an assay of ≥99.0% (HPLC). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated otherwise in the product documentation.

How should Cytosine be handled safely?

+

Cytosine is classified as a Warning substance with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95 type), eyeshields, and gloves, should be used. Handle in a well-ventilated area or under a fume hood.

Is Cytosine a controlled substance?

+

The provided data does not indicate that Cytosine (CAS: 71-30-7) is a controlled substance.

How is Cytosine packed and shipped by TSS?

+

Tech Serve Solutions exports Cytosine globally. Packaging is designed to maintain product integrity during transit and is compliant with international shipping regulations. Specific packaging details can be provided upon request.

How can I request a quote or sample of Cytosine?

+

To request a quote or a sample of Cytosine, please use the 'Request a Quote' or 'Request a Sample' form on our website, or contact our sales department directly with your inquiry, referencing product code 71-30-7.

Need Cytosine in a specific grade or volume?