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M6751

Sigma-Aldrich

5-Methylcytosine hydrochloride

≥99%

Synonym(s):

4-Amino-2-hydroxy-5-methylpyrimidine

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About This Item

Empirical Formula (Hill Notation):
C5H7N3O · HCl
CAS Number:
58366-64-6
Molecular Weight:
161.59
EC Number:
261-223-9
MDL number:
MFCD11053426
UNSPSC Code:
41106305
PubChem Substance ID:
24897110
NACRES:
NA.51

biological source

synthetic (organic)

Quality Level

200

Assay

≥99%

form

crystalline powder

solubility

water: 50 mg/mL, clear to slightly hazy, colorless

SMILES string

O=C1NC(N)=C(C)C=N1.[H]Cl

InChI

1S/C5H7N3O.ClH/c1-3-2-7-5(9)8-4(3)6;/h2H,1H3,(H3,6,7,8,9);1H

InChI key

ANWMULVRPAUPJT-UHFFFAOYSA-N

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Application

5-Methylcytosine hydrochloride has been used as standard in high performance liquid chromatography (HPLC) for the estimation of global methylation rates. It has also been used in high-resolution mass spectroscopic analysis.
5-Methylcytosine is used in studies of DNA methylation processes (epigenetics).

Biochem/physiol Actions

5-Methylcytosine mediates gene expression, genomic imprinting and inhibition of transposable elements. It is closely associated with translational fidelity and tRNA recognition.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tet proteins can convert 5-methylcytosine to 5-formylcytosine and 5-carboxylcytosine
Ito S, et al.
Science (New York, N.Y.), 333(6047), 1300-1303 (2011)
Widespread occurrence of 5-methylcytosine in human coding and non-coding RNA
Squires JE, et al.
Nucleic Acids Research, 40(11), 5023-5033 (2012)
Absolute quantification of RNA or DNA using acid hydrolysis and mass spectrometry
Lowenthal MS, et al.
Analytical Chemistry, 6, 824-824 (2019)
Meelad M Dawlaty et al.
Developmental cell, 24(3), 310-323 (2013-01-29)
Tet enzymes (Tet1/2/3) convert 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC) in various embryonic and adult tissues. Mice mutant for either Tet1 or Tet2 are viable, raising the question of whether these enzymes have overlapping roles in development. Here we have generated
Lan Jiang et al.
Cell, 153(4), 773-784 (2013-05-15)
5-methylcytosine is a major epigenetic modification that is sometimes called "the fifth nucleotide." However, our knowledge of how offspring inherit the DNA methylome from parents is limited. We generated nine single-base resolution DNA methylomes, including zebrafish gametes and early embryos.
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