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Substance Name: Methyl methanesulfonate
RN: 66-27-3
UNII: AT5C31J09G
InChIKey: MBABOKRGFJTBAE-UHFFFAOYSA-N

Note

  • An alkylating agent in cancer therapy that may also act as a mutagen by interfering with and causing damage to DNA.

Molecular Formula

  • C2-H6-O3-S

Molecular Weight

  • 110.1324
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Alkylating Agents
  • Antineoplastic Agents
  • Antineoplastic Agents, Alkylating
  • Drug / Therapeutic Agent
  • Insect Attractant, Repellent and Chemosterilant
  • Mutagens
  • Mutation Data
  • Noxae
  • Reproductive Effect
  • Tumor Data

Superlist Classification Codes

  • Overall Carcinogenic Evaluation: Group 2A
  • Reasonably Anticipated to be a Carcinogen
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Names and Synonyms

Name of Substance

  • Methyl methanesulfonate

MeSH Heading

  • Methyl methanesulfonate

Synonyms

  • 4-04-00-00011 (Beilstein Handbook Reference)
  • AI3-50052
  • as-Dimethyl sulfite
  • as-Dimethyl sulphite
  • BRN 1098586
  • CB 1540
  • CCRIS 396
  • EINECS 200-625-0
  • FDA 0092
  • HSDB 5103
  • Methanesulfonic acid methyl ester
  • Methanesulphonic acid methyl ester
  • Methyl ester of methanesulfonic acid
  • Methyl ester of methanesulphonic acid
  • Methyl mesylate
  • Methyl methanesulfonate
  • Methyl methanesulfonic acid
  • Methyl methanesulphonate
  • Methyl methansulfonate
  • Methyl methansulphonate
  • Methylester kyseliny methansulfonove
  • Methylester kyseliny methansulfonove [Czech]
  • Methylmethane sulfonate
  • Methylmethanesulfonate
  • Methylmethanesulphonate
  • Methylmethansulfonat
  • Methylmethansulfonat [German]
  • MMS
  • NSC-50256
  • UNII-AT5C31J09G

Systematic Names

  • Methanesulfonic acid, methyl ester
  • Methyl methanesulfonate
  • Methyl methanesulphonate

Superlist Names

  • Methanesulfonic acid, methyl ester
  • Methyl methanesulfonate
  • Methyl methanesulphonate

Registry Numbers

CAS Registry Number

  • 66-27-3

FDA UNII

  • AT5C31J09G

System Generated Number

  • 0000066273

Structure Descriptors

InChI

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

InChIKey

MBABOKRGFJTBAE-UHFFFAOYSA-N

Smiles

COS(=O)(=O)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 56200ug/kg (56.2mg/kg)   Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
dog LDLo intravenous 22mg/kg (22mg/kg) BLOOD: OTHER CHANGES

BLOOD: LEUKOPENIA
Cancer Chemotherapy Reports, Part 2. Vol. 2, Pg. 203, 1965.
mouse LD50 intraperitoneal 180mg/kg (180mg/kg)   Mutation Research. Vol. 223, Pg. 383, 1989.
mouse LD50 oral 290mg/kg (290mg/kg)   Mutation Research. Vol. 223, Pg. 383, 1989.
quail LD50 oral 75mg/kg (75mg/kg)   Journal of Reproduction and Fertility. Vol. 48, Pg. 371, 1976.
rat LD50 intraperitoneal 114mg/kg (114mg/kg)   Food and Chemical Toxicology. Vol. 22, Pg. 665, 1984.
rat LD50 intravenous 175mg/kg (175mg/kg)   Zeitschrift fuer Krebsforschung. Vol. 74, Pg. 241, 1970.
rat LD50 oral 225mg/kg (225mg/kg)   Food and Cosmetics Toxicology. Vol. 19, Pg. 347, 1981.
rat LD50 subcutaneous 125mg/kg (125mg/kg)   Zeitschrift fuer Krebsforschung. Vol. 74, Pg. 241, 1970.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 20 deg C   EXP
Boiling Point 202.5 deg C   EXP
log P (octanol-water) -0.660 (none)   EST
Water Solubility 1.00E+06 mg/L 25 EST
Vapor Pressure 0.310 mm Hg 25 EST
Henry's Law Constant 4.03E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.31E-13 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.