Products 71-30-7

CAS 71-30-7 appears in our catalog under these names: Gemcitabine EP Impurity A (Cytosine, Lamivudine EP Impurity E), Gemcitabine EP Impurity A (Cytosine), Gemcitabine EP Impurity A, Cytosine, >95% (HPLC), 4-Aminopyrimidin-2(1H)-one (Cytosine). Offered by: Chemat Brand, TRC, Mikromol, TargetMol, Thermo Scientific (Alfa Aesar). Available pack sizes: on request, 10g, 1g, 5g, 25mg, 500mg, 25g, 100g.

Gemcitabine EP Impurity A (Cytosine, Lamivudine EP Impurity E)
Chemat Brand
  • size: on request
  • Variants: 1
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Gemcitabine EP Impurity A (Cytosine)
Chemat Brand
  • size: on request
  • Variants: 1
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Gemcitabine EP Impurity A
Chemat Brand
  • size: on request
  • Variants: 1
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Cytosine, >95% (HPLC)
TRC
  • size: 10g, 1g, 5g
  • Variants: 3
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4-Aminopyrimidin-2(1H)-one (Cytosine)
Mikromol
  • size: 25mg
  • Variants: 1
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Cytosine/ 98.67% (existing batch purity)
TargetMol
  • size: 500mg
  • Variants: 1
from 452.11
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Cytosine, 98+%
Thermo Scientific (Alfa Aesar)
  • size: 5g, 25g, 100g
  • Variants: 3
from 270.39
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Cytosine, 99.00%
Chemat
  • size: 100g, 1g, 25g, 5g
  • Variants: 4
from 128.52
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Cytosine, >98.0%(HPLC)(T)
TCI
  • size: 5g, 25g, 100g
  • Variants: 3
from 98.68
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Cytosine
Biosynth, Sigma-Aldrich, HPC Standards
  • size: 2kg, 1kg, 5kg, 10kg
  • Variants: 11
from 291.00
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Cytosine, 99+%
Thermo Scientific (Acros)
  • size: 5g, 25g, 100g
  • Variants: 3
from 579.08
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Cytosine 98%
Ambeed
  • size: 10g, 100g, 500g, 1000g
  • Variants: 4
from 175.69
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6-Aminopyrimidin-2(1H)-one, 98%, 98%
Chemat
  • size: 10g, 25g, 100g, 300g
  • Variants: 10
from 78.80
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Cytosine, 99.99%
MedChemExpress
  • size: 100 g, 500 g, 5 g, 25 g
  • Variants: 10
from 240.74
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Cytosine (Standard), 99.94%
MedChemExpress
  • size: 100 mg, 50 mg, 250 mg, 500 mg
  • Variants: 4
from 347.56
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Cytosine, min. 99 %, for biochemistry, 5 g, glass
Roth
  • size: 5g
  • Variants: 1
from 188.32
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Cytosine, min. 99 %, for biochemistry, 25 g, plastic
Roth
  • size: 25g
  • Variants: 1
from 455.44
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Cytosine, min. 99 %, for biochemistry, 100 g, plastic
Roth
  • size: 100g
  • Variants: 1
from 1203.50
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Cytosine, 98%
Fluorochem
  • size: 100g, 25g, 50g, 500g
  • Variants: 5
from 102.07
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Structural formula: {0} (CAS {1})

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: ChEBI

Identity
Molecular formulaC4H5N3O
Molecular weight111.10 g/mol
IUPAC name6-amino-1H-pyrimidin-2-one
InChIKeyOPTASPLRGRRNAP-UHFFFAOYSA-N
SMILESC1=C(NC(=O)N=C1)N

Computed by PubChem (NCBI)

Synonyms: cytosine, 4-aminopyrimidin-2(1H)-one, 4-Amino-2-hydroxypyrimidine, Cytosinimine, 2(1H)-Pyrimidinone, 4-amino-, 4-Amino-2(1H)-pyrimidinone, 6-amino-1H-pyrimidin-2-one, 4-amino-3h-pyrimidin-2-one, 6-amino-1,2-dihydropyrimidin-2-one, 4-Aminouracil
Related forms of this compound
6-amino-(213C,1,3-15N2)1H-pyrimidin-2-one C4H5N3O
6-amino-4,5-dideuterio-1H-pyrimidin-2-one C4H5N3O
6-(15N)azanyl-(2,6-13C2,1,3-15N2)1H-pyrimidin-2-one C4H5N3O
Isomers (same molecular formula)
3-amino-1H-pyridazin-4-one C4H5N3O
2-amino-1H-pyrimidin-6-one C4H5N3O
3-amino-1H-pyrazin-2-one C4H5N3O
5-methyl-1H-1,2,4-triazole-3-carbaldehyde C4H5N3O
1-methyl-1,2,4-triazole-3-carbaldehyde C4H5N3O
3-methyltriazole-4-carbaldehyde C4H5N3O
1-methyltriazole-4-carbaldehyde C4H5N3O
2-methyl-1,2,4-triazole-3-carbaldehyde C4H5N3O
4-amino-1H-pyridazin-6-one C4H5N3O