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Merck
CN

640573

Cyclopropanesulfonyl chloride

95%

Synonym(s):

Cyclopropylsulfonyl chloride

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About This Item

Empirical Formula (Hill Notation):
C3H5ClO2S
CAS Number:
139631-62-2
Molecular Weight:
140.59
MDL number:
MFCD01631933
UNSPSC Code:
12352100
PubChem Substance ID:
24882651
NACRES:
NA.22

Key Documents

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Assay

95%

refractive index

n20/D 1.4770 (lit.)

density

1.38 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

ClS(=O)(=O)C1CC1

InChI

1S/C3H5ClO2S/c4-7(5,6)3-1-2-3/h3H,1-2H2

InChI key

PFWWSGFPICCWGU-UHFFFAOYSA-N

Application

Cyclopropanesulfonyl chloride can be used in the synthesis of (1R,2S)-1-amino-2-vinylcyclopropanecarboxylic sulfonamide derivatives, which can serve as building blocks in the preparation of potent hepatitis C virus NS3 protease inhibitors.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Precautionary Statements

P280 - P305 + P351 + P338 - P310

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

204.8 °F - closed cup

Flash Point(C)

96 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV0239
MKBF0368V
63496HM
MKAA1313
09306PH

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"Concise asymmetric synthesis of a (1R, 2S)-1-amino-2-vinylcyclopropanecarboxylic acid-derived sulfonamide and ethyl ester"
Lou Sha, et al.
Organic & Biomolecular Chemistry, 11(39), 6796-6805 (2013)

Articles

Sulfonyl Chlorides and Sulfonamides

Sulfonyl chlorides are often chosen as building blocks in medicinal chemistry for their ability to easily react with heterocyclic amines to create complex sulfonamides.

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