3-(Methylthio)aniline - ≥97% , CAS No.1783-81-9

CAS: 1783-81-9 Cat. No.: M101834 Molecular Weight: 139.22 Beilstein Registry Number: 2078599 EC Number: 217-232-5
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
3-(Methylmercapto)aniline | NSC66274 | NSC-66274 | 3-Methylthiobenzenamine | 3-Methylmercaptoaniline | 1-Amino-3-methylthiobenzene | M1673 | 3-(Methylsulfanyl)phenylamine | 3-(Methylthio)aniline | SY001852 | 3-methylthioaniline | 3-Methylthio-aniline | BR
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
M101834-5g
1
$9.90
10g
M101834-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$10.90
25g
M101834-25g
1

$20.90

$31.90
Save $11.00 (34.48%)
100g
M101834-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$66.90

$100.90
Save $34.00 (33.70%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3-(Methylmercapto)aniline | NSC66274 | NSC-66274 | 3-Methylthiobenzenamine | 3-Methylmercaptoaniline | 1-Amino-3-methylthiobenzene | M1673 | 3-(Methylsulfanyl)phenylamine | 3-(Methylthio)aniline | SY001852 | 3-methylthioaniline | 3-Methylthio-aniline | BR
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCSC1=CC=CC(=C1)N
IUPAC Name3-methylsulfanylaniline
InChIKeyKCHLDNLIJVSRPK-UHFFFAOYSA-N
INCHI1S/C7H9NS/c1-9-7-4-2-3-6(8)5-7/h2-5H,8H2,1H3
Isomeric SMILES CSC1=CC=CC(=C1)N
WGK Germany 3
RTECS BY6301000
UN Number 2810
Molecular Weight 139.22
Beilstein 2078599
Reaxy-Rn 2078599
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2078599&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganosulfur compounds
ClassThioethers
SubclassAryl thioethers
Intermediate Tree Nodes Not available
Direct ParentAryl thioethers
Alternative Parents Thiophenol ethers  Aniline and substituted anilines  Alkylarylthioethers  Sulfenyl compounds  Primary amines  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Aryl thioether - Aniline or substituted anilines - Thiophenol ether - Alkylarylthioether - Benzenoid - Monocyclic benzene moiety - Sulfenyl compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl thioethers. These are organosulfur compounds containing a thioether group that is substituted by an aryl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
H2506057Certificate of AnalysisAug 13, 2025 M101834
I2103347Certificate of AnalysisJun 09, 2025 M101834
I2103348Certificate of AnalysisJun 09, 2025 M101834
I2103349Certificate of AnalysisJun 09, 2025 M101834
H1527028Certificate of AnalysisApr 14, 2023 M101834
Chemical and Physical Properties
Sensitivityair sensitive;light sensitive;heat sensitive
Refractive Index1.637
Flash Point(°F)235.4 °F
Flash Point(°C)> 110°C
Boil Point(°C)163-165°C/16mmHg
Molecular Weight139.220 g/mol
XLogP31.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass139.046 Da
Monoisotopic Mass139.046 Da
Topological Polar Surface Area51.300 Ų
Heavy Atom Count9
Formal Charge0
Complexity85.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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