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  7. 2-Chloro-5-methylthiophene, 97%

2-Chloro-5-methylthiophene, 97%

Product Code. 11430227
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25 g
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Product Code. 11430227 Supplier Thermo Scientific Alfa Aesar Supplier No. B21657.14
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Estimated Shipment: 19-08-2026
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Description

CAS: 17249-82-0 | C5H5ClS | 132.605 g/mol

It is used in the synthesis of dithienylcyclopentene optical molecular switches. It is also used as an active pharmaceutical intermediate.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It is used in the synthesis of dithienylcyclopentene optical molecular switches. It is also used as an active pharmaceutical intermediate.

Solubility
Not miscible or difficult to mix with water.

Notes
Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 17249-82-0
Molecular Formula C5H5ClS
Molecular Weight (g/mol) 132.605
MDL Number MFCD01632145
InChI Key JSMMZMYGEVUURX-UHFFFAOYSA-N
Synonym thiophene, 2-chloro-5-methyl, pubchem5197, acmc-209e4p, 2-chloro-5-methyl-thiophene, ksc497i0h, 2-chloranyl-5-methyl-thiophene
PubChem CID 140208
IUPAC Name 2-chloro-5-methylthiophene
SMILES CC1=CC=C(S1)Cl

Specifications

Density 1.21
Boiling Point 155°C to 156°C
Flash Point 47°C (117°F)
Odor Characteristic
Refractive Index 1.5356
Quantity 25 g
UN Number UN1992
Solubility Information Not miscible or difficult to mix with water.
Formula Weight 132.61
Percent Purity 97%
Chemical Name or Material 2-Chloro-5-methylthiophene
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