4′-Chloroacetophenone - ≥97% , CAS No.99-91-2

CAS: 99-91-2 Cat. No.: C103870 Formula: C8H7ClO Molecular Weight: 154.59 Beilstein Registry Number: 386014 EC Number: 202-800-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
Ethanone, 1-(4-chlorophenyl)- | STK400323 | A846097 | BDBM50304447 | 4'-Chloroacetophenone | 4-Chloroacetophenone | 4-chloroace-tophenone | AI3-01370 | ZV4A71K303 | 1-(4-chlorophenyl)ethane-1-one | 4-Chlorophenyl methyl ketone | UNII-ZV4A71K303 | A904839
Storage
Room temperature,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
25g
C103870-25g
Made to order · 8–12 wks
$9.90
100g
C103870-100g
US Made to order · 2–4 wks ·
—
$12.90
500g
C103870-500g
3 In stock
—
$55.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

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

🌡

Storage & shipping

Room temperature,Desiccated Ships Normal 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 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Ethanone, 1-(4-chlorophenyl)- | STK400323 | A846097 | BDBM50304447 | 4'-Chloroacetophenone | 4-Chloroacetophenone | 4-chloroace-tophenone | AI3-01370 | ZV4A71K303 | 1-(4-chlorophenyl)ethane-1-one | 4-Chlorophenyl methyl ketone | UNII-ZV4A71K303 | A904839
Specifications & Purity
≥97%
Storage
Room temperature,Desiccated
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488180446
Canonical Smiles
CC(=O)C1=CC=C(C=C1)Cl
IUPAC Name
1-(4-chlorophenyl)ethanone
InChIKey
BUZYGTVTZYSBCU-UHFFFAOYSA-N
INCHI
1S/C8H7ClO/c1-6(10)7-2-4-8(9)5-3-7/h2-5H,1H3
Isomeric SMILES
CC(=O)C1=CC=C(C=C1)Cl
WGK Germany
1
RTECS
KM5600000
UN Number
3416
Molecular Weight
154.59
Beilstein
386014
Reaxy-Rn
386014
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=386014&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
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Ketones - Aryl ketones - Phenylketones
Direct ParentAlkyl-phenylketones
Alternative Parents Acetophenones  Benzoyl derivatives  Aryl alkyl ketones  Chlorobenzenes  Aryl chlorides  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Alkyl-phenylketone - Acetophenone - Aryl alkyl ketone - Benzoyl - Halobenzene - Chlorobenzene - Benzenoid - Monocyclic benzene moiety - Aryl halide - Aryl chloride - Organic oxide - Hydrocarbon derivative - Organochloride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group.
External Descriptors monochlorobenzenes - acetophenones
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
GSK3B Tclin Glycogen synthase kinase-3 beta (11785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

16 results found

Lot NumberCertificate TypeDateItem
K2111667Certificate of AnalysisAug 12, 2025 C103870
K2111668Certificate of AnalysisAug 12, 2025 C103870
D2417130Certificate of AnalysisMar 25, 2024 C103870
D2417131Certificate of AnalysisMar 25, 2024 C103870
J2608103Certificate of AnalysisMar 25, 2024 C103870
C2409046Certificate of AnalysisFeb 29, 2024 C103870
C2409047Certificate of AnalysisFeb 29, 2024 C103870
C2031162Certificate of AnalysisJan 03, 2024 C103870
F2302751Certificate of AnalysisMay 22, 2023 C103870
F2302753Certificate of AnalysisMay 22, 2023 C103870
F2302757Certificate of AnalysisMay 22, 2023 C103870
F2302758Certificate of AnalysisMay 22, 2023 C103870
F2302759Certificate of AnalysisMay 22, 2023 C103870
F2302760Certificate of AnalysisMay 22, 2023 C103870
F2303215Certificate of AnalysisMay 22, 2023 C103870
G2503051Certificate of AnalysisMay 22, 2023 C103870
Chemical and Physical Properties
SolubilitySoluble in water (0.11 mg/ml at 25°C), alcohol, and ether.
Freezing Point(°C)15 °C
Refractive Index1.555
Flash Point(°F)194 °F
Flash Point(°C)90 °C
Boil Point(°C)232°C
Melt Point(°C)14-18°C
Molecular Weight154.590 g/mol
XLogP32.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass154.019 Da
Monoisotopic Mass154.019 Da
Topological Polar Surface Area17.100 Ų
Heavy Atom Count10
Formal Charge0
Complexity125.000
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
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥97% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature, desiccated. Keep the container tightly closed with desiccant — the material is moisture-sensitive.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 99-91-2, the molecular formula is C8H7ClO, and the molecular weight is 154.59 g/mol. InChIKey BUZYGTVTZYSBCU-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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