3,4,5-Trimethoxyphenyl isocyanate - ≥97% , CAS No.1016-19-9

CAS: 1016-19-9 Cat. No.: T165448 Molecular Weight: 209.2 EC Number: 625-401-3 PubChem CID: 517766
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
3,4,5-Trimethoxyphenyl isocyanate|1016-19-9|5-Isocyanato-1,2,3-trimethoxybenzene|3,4,5-trimethoxyphenylisocyanate|3,4,5-Trimethoxyphenyl cyanate|Benzene, 5-isocyanato-1,2,3-trimethoxy-|5-isocyanato-1,2,3-trimethoxy-benzene|SCHEMBL374491|DTXSID50333714|3,4
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
T165448-250mg
3

$50.90

$59.90
Save $9.00 (15.03%)
1g
T165448-1g
3

$123.90

$162.90
Save $39.00 (23.94%)
5g
T165448-5g
3

$492.90

$605.90
Save $113.00 (18.65%)
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, 4, 5-Trimethoxyphenyl isocyanate | 1016-19-9 | 5-Isocyanato-1, 2, 3-trimethoxybenzene | 3, 4, 5-trimethoxyphenylisocyanate | 3, 4, 5-Trimethoxyphenyl cyanate | Benzene, 5-isocyanato-1, 2, 3-trimethoxy- | 5-isocyanato-1, 2, 3-trimethoxy-benzene | SCHEMBL374491 | DTXSID50333714 | 3, 4
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 SmilesCOC1=CC(=CC(=C1OC)OC)N=C=O
IUPAC Name5-isocyanato-1,2,3-trimethoxybenzene
InChIKeyMJJXWPHZDBIHIM-UHFFFAOYSA-N
INCHI1S/C10H11NO4/c1-13-8-4-7(11-6-12)5-9(14-2)10(8)15-3/h4-5H,1-3H3
Isomeric SMILES COC1=CC(=CC(=C1OC)OC)N=C=O
WGK Germany 3
PubChem CID 517766
UN Number 2811
Packing Group III
Molecular Weight 209.2

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassAniline and substituted anilines
Intermediate Tree Nodes Not available
Direct ParentMethoxyanilines
Alternative Parents Phenoxy compounds  Methoxybenzenes  Anisoles  Alkyl aryl ethers  Isocyanates  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Methoxyaniline - Phenoxy compound - Anisole - Phenol ether - Methoxybenzene - Alkyl aryl ether - Isocyanate - Ether - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Organic oxide - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic nitrogen compound - Organic oxygen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as methoxyanilines. These are organic compound containing an aniline group substituted at one or more positions by a methoxy 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
K2504027Certificate of AnalysisNov 06, 2025 T165448
A2205603Certificate of AnalysisOct 16, 2024 T165448
A2205604Certificate of AnalysisOct 16, 2024 T165448
A2205605Certificate of AnalysisOct 16, 2024 T165448
E2431011Certificate of AnalysisDec 14, 2021 T165448
Chemical and Physical Properties
Flash Point(°F)235.4 °F
Flash Point(°C)113 °C
Boil Point(°C)102-110°/0.4mmHg
Melt Point(°C)42-45 °C
Molecular Weight209.200 g/mol
XLogP32.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass209.069 Da
Monoisotopic Mass209.069 Da
Topological Polar Surface Area57.100 Ų
Heavy Atom Count15
Formal Charge0
Complexity226.000
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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