4,5-dichloroquinazoline - ≥97% , CAS No.2148-55-2

CAS: 2148-55-2 Cat. No.: D680437 Molecular Weight: 199.03 PubChem CID: 247911
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
4,5-Dichloroquinazoline | 4,5-Dichloro-Quinazoline | Nciopen2_000292 | Nsc63434
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
D680437-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$15.90
1g
D680437-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$51.90
5g
D680437-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$219.90
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 -20°C,Argon charged Ships Ice chest + Ice pads 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
4, 5-Dichloroquinazoline | 4, 5-Dichloro-Quinazoline | Nciopen2_000292 | Nsc63434
Specifications & Purity
≥97%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesC1=CC2=C(C(=C1)Cl)C(=NC=N2)Cl
IUPAC Name4,5-dichloroquinazoline
InChIKeyPCCZEWAQRDIOKD-UHFFFAOYSA-N
INCHI1S/C8H4Cl2N2/c9-5-2-1-3-6-7(5)8(10)12-4-11-6/h1-4H
Isomeric SMILES C1=CC2=C(C(=C1)Cl)C(=NC=N2)Cl
PubChem CID 247911
Molecular Weight 199.03

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
SuperclassOrganoheterocyclic compounds
ClassDiazanaphthalenes
SubclassBenzodiazines
Intermediate Tree Nodes Not available
Direct ParentQuinazolines
Alternative Parents Halopyrimidines  Benzenoids  Aryl chlorides  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Quinazoline - Halopyrimidine - Benzenoid - Pyrimidine - Aryl halide - Aryl chloride - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Organochloride - Organohalogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as quinazolines. These are compounds containing a quinazoline moiety, which is made up of two fused six-member aromatic rings, a benzene ring and a pyrimidine ring.
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.

3 results found

Lot NumberCertificate TypeDateItem
C2616573Certificate of AnalysisDec 23, 2025 D680437
C2616603Certificate of AnalysisDec 23, 2025 D680437
C2625736Certificate of AnalysisDec 23, 2025 D680437
Chemical and Physical Properties
SensitivityMoisture sensitive
Molecular Weight199.030 g/mol
XLogP33.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass197.975 Da
Monoisotopic Mass197.975 Da
Topological Polar Surface Area25.800 Ų
Heavy Atom Count12
Formal Charge0
Complexity165.000
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
Reviews

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