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129925

Sigma-Aldrich

Methyl methanesulfonate

99%

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Synonym(s):
Methanesulfonic acid methyl ester
Linear Formula:
CH3SO3CH3
CAS Number:
Molecular Weight:
110.13
Beilstein:
1098586
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Assay

99%

form

liquid

refractive index

n20/D 1.414 (lit.)

bp

202-203 °C (lit.)

density

1.3 g/mL at 25 °C (lit.)

SMILES string

COS(C)(=O)=O

InChI

1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3

InChI key

MBABOKRGFJTBAE-UHFFFAOYSA-N

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1 of 4

This Item
78697M0880537365
Methyl methanesulfonate certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Supelco

78697

Methyl methanesulfonate

Ethyl methanesulfonate liquid

Sigma-Aldrich

M0880

Ethyl methanesulfonate

Methyl acetoacetate ReagentPlus®, 99%

Sigma-Aldrich

537365

Methyl acetoacetate

form

liquid

form

-

form

liquid

form

-

refractive index

n20/D 1.414 (lit.)

refractive index

n20/D 1.414 (lit.)

refractive index

n20/D 1.418 (lit.)

refractive index

n20/D 1.419 (lit.)

bp

202-203 °C (lit.)

bp

202-203 °C (lit.)

bp

85-86 °C/10 mmHg (lit.)

bp

169-170 °C/70 mmHg (lit.)

density

1.3 g/mL at 25 °C (lit.)

density

1.3 g/mL at 25 °C (lit.)

density

1.206 g/mL at 20 °C

density

1.076 g/mL at 25 °C (lit.)

Quality Level

100

Quality Level

300

Quality Level

200

Quality Level

200

Principle

DNA adduct; adds methyl groups to DNA at 7-guanine preferentially, but also 3-adenine and 3-guanine.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Muta. 1B - Repr. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation

Target Organs

Lungs

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

219.2 °F - closed cup

Flash Point(C)

104 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Amaya Azqueta et al.
Toxicology in vitro : an international journal published in association with BIBRA, 27(2), 768-773 (2012-12-25)
A serious limitation of the conventional comet assay (single cell gel electrophoresis) is the restriction on the number of samples that can be processed in one experiment, imposed by the size of the electrophoresis platform. One approach to increasing throughput
Cathrine Broberg Vågbø et al.
DNA repair, 12(3), 188-195 (2013-01-02)
Cytotoxic 1-methyladenine (1-meA) and 3-methylcytosine (3-meC) lesions induced in DNA and RNA in vitro and in pre-damaged DNA and RNA bacteriophages in vivo are repaired by the Escherichia coli (E. coli) protein AlkB and a human homolog, ALKBH3. However, it
Stephen Godin et al.
Nucleic acids research, 41(8), 4525-4534 (2013-03-06)
The Saccharomyces cerevisiae Shu complex, consisting of Shu1, Shu2, Csm2 and Psy3, promotes error-free homologous recombination (HR) by an unknown mechanism. Recent structural analysis of two Shu proteins, Csm2 and Psy3, has revealed that these proteins are Rad51 paralogues and
Barbara van Loon et al.
DNA repair, 12(3), 177-187 (2013-01-08)
Due to a harsh environment mitochondrial genomes accumulate high levels of DNA damage, in particular oxidation, hydrolytic deamination, and alkylation adducts. While repair of alkylated bases in nuclear DNA has been explored in detail, much less is known about the
Shawn Hoon et al.
Nature chemical biology, 4(8), 498-506 (2008-07-16)
Bioactive compounds are widely used to modulate protein function and can serve as important leads for drug development. Identifying the in vivo targets of these compounds remains a challenge. Using yeast, we integrated three genome-wide gene-dosage assays to measure the

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