CAS RN: 118-45-6
4-Chlorophthalic Anhydride
Product Availability
Choose a grade to view its available package options.
12 package records11 with current stock2 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20251001 | 100g | In stock | Shandong, Chongqing, Hebei | Inquiry |
| Batchno.20260322 | 2.5kg | In stock | Shandong | Inquiry |
| Batchno.20250305 | 25g | In stock | Shanghai, Shandong | Inquiry |
| Batchno.20260605 | 500g | In stock | Shanghai, Shandong, Guangdong | Inquiry |
| Batchno.20250301 | 5g | In stock | Shanghai | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20250204 | 100g | In stock | Inquiry | |
| Batchno.20260628 | 10g | In stock | Inquiry | |
| Batchno.20251229 | 1kg | Out of stock | Inquiry | |
| Batchno.20260614 | 2.5kg | In stock | Inquiry | |
| Batchno.20250704 | 25g | In stock | Inquiry | |
| Batchno.20260312 | 500g | In stock | Inquiry | |
| Batchno.20250424 | 5g | In stock | Inquiry |
- Product code: SSC-017852
Verified Factory Data
Supply Overview & Packaging Options
Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.
- Pack sizes on record: 10g, 5g, 25g, 100g, 500g, 1000g
- Available purity: ≥97%
- Inventory rows with stock: 3
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 10g | ≥97% | 5 In Stock | Shenzhen | Inquiry |
| 5g | ≥97% | 4 In Stock | Shenzhen | Inquiry |
| 25g | ≥97% | 1 In Stock | Shenzhen | Inquiry |
| 100g | ≥97% | 0 Out of Stock | Shenzhen | Inquiry |
| 500g | ≥97% | 0 Out of Stock | Shanghai | Inquiry |
| 1000g | ≥97% | 0 Out of Stock | Shanghai | Inquiry |
118-45-6 / 5-chloro-2-benzofuran-1,3-dione
4-Chlorophthalic anhydride | 5-chloroisobenzofuran-1,3-dione | 5-Chloro-2-benzofuran-1,3-dione
Basic Information
CAS
118-45-6
Multi CAS
Yes
Molecular Formula
C8H3ClO3
Molecular Weight
182.560000
Exact Mass
181.977072
SMILES
C1=CC2=C(C=C1Cl)C(=O)OC2=O
InChI
InChI=1S/C8H3ClO3/c9-4-1-2-5-6(3-4)8(11)12-7(5)10/h1-3H
InChIKey
BTTRMCQEPDPCPA-UHFFFAOYSA-N
Synonyms
4-Chlorophthalic anhydride
5-chloroisobenzofuran-1,3-dione
5-Chloro-2-benzofuran-1,3-dione
4-chlorophthalic acid anhydride
1,3-Isobenzofurandione, 5-chloro-
Computed Properties
Structural Parameters
Heavy atom count
12
Aromatic heavy atom count
6
H-bond acceptors
3
Molar refractivity
41.2
TPSA
43.37
LogP / Solubility
WLOGP
1.65
MLOGP
1.45
XLogP3
1.9
Consensus LogP
1.67
Log S (ESOL)
-2.38
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.25
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.22
Class (SILICOS-IT)
Moderately soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.66
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5
Safety & Transport
Pictogram(s)
Corrosive
Irritant
Signal
Danger
GHS Hazard Statements
H315 (57.1%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (57.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H319 (42.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (42.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Applications of CAS 118-45-6
This compound is commonly used in general chemistry research and laboratory applications. Starshine Chemical supplies CAS 118-45-6 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | 5-chloro-2-benzofuran-1,3-dione |
Safety Information (GHS)
Pictogram(s): GHS05, GHS07. Signal word: Danger.
- H315 (57.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H318 (57.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H319 (42.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (42.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary statements: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Request the SDS (Safety Data Sheet) for full hazard and safety documentation.
Storage & Handling
Storage: Store under inert gas. Avoid: Moisture Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.
Quotation & Packaging
Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.
Quality & Compliance
Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.
