Cytosine is an aminopyrimidine that is pyrimidin-2-one having the amino group located at position 4.
How much products actually contain
No product states its amount yet.
Of the products containing it, 1 list it before the 1% line and 0 after it (usually 1% or less).
Products using this ingredient
1 of 1 confirmed · likeliest to carry enough first
Definition
Cytosine is an aminopyrimidine that is pyrimidin-2-one having the amino group located at position 4. It has a role as a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is a pyrimidine nucleobase, a pyrimidone and an aminopyrimidine.
Source: PubChem
US FDA substance register · UNII 8J337D1HZY · registered name Cytosine · single chemical substance
Cosmetic roles
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name シトシン: 本品は、次の化学式で表される複素環式化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 71-30-7
- EC No.EU chemical inventory number
- 200-749-5
- DTXSIDUS EPA chemical ID
- DTXSID4044456
- DTXCIDUS EPA compound ID
- DTXCID2024456
- IUPAC
- 6-Aminopyrimidin-2(1H)-one
- Molecular formula
- C4H5N3O
- Molecular weight
- 111.104 g/mol
Measured properties
- Appearance
- Monohydrate: Lustrous solid, [Merck Index] White powder, [Alfa Aesar MSDS] · Solid
- Melting point
- > 300 °C
- Solubility
- 8.0 mg/mL · >16.7 [ug/mL] (The mean of the results at pH 7.4)
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 1 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner1
Source: US EPA CompTox dashboard
Related literature
- Genome-wide impact of cytosine methylation and DNA sequence context on UV-induced CPD formation · 2023
- UV-induced damage to DNA: effect of cytosine methylation on pyrimidine dimerization · 2017
- Abstract 4119: The development of EGFR resistant mutation, T790M, in lung adenocarcinoma is acquired through a specific cytosine deamination mechanism · 2017
- Excited-state dynamics of cytosine reveal multiple intrinsic subpicosecond pathways. · 2008
- High‐dose cytosine arabinoside‐induced cutaneous reactions · 2002
Linked databases 19
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese