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CAS 2166-31-6 6-Phenyl-3(2H)-pyridazinone molecular structure lightbox
CAS RN: 2166-31-6

6-Phenyl-3(2H)-pyridazinone

Product Availability

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1 package records1 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250822 250mg / 1g / 5g / 25g Confirm by inquiry Shanghai, Shandong 8-10 business days Inquiry
  • Product code: SSC-103874
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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: 1g, 5g, 10g, 25g
  • Available purity: >97%
  • Inventory rows with stock: 4
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 2166-31-6
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g -- 5 In Stock Beijing Inquiry
1g >97% 5 In Stock Hong Kong Inquiry
5g -- 1 In Stock Beijing Inquiry
5g >97% 1 In Stock Beijing Inquiry
10g -- 0 Out of Stock Shenzhen Inquiry
10g >97% 0 Out of Stock Shenzhen Inquiry
25g -- 0 Out of Stock Shanghai Inquiry
25g >97% 0 Out of Stock Beijing Inquiry

2166-31-6 / 3-phenyl-1H-pyridazin-6-one

Standard CAS: 2166-31-6 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
2166-31-6
Multi CAS
No
Molecular Formula
C10H8N2O
Molecular Weight
172.180000
Exact Mass
172.063663
SMILES
C1=CC=C(C=C1)C2=NNC(=O)C=C2
InChI
InChI=1S/C10H8N2O/c13-10-7-6-9(11-12-10)8-4-2-1-3-5-8/h1-7H,(H,12,13)
InChIKey
IJUIPRDMWWBTTQ-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
13
Aromatic heavy atom count
12
Rotatable bonds
1
H-bond acceptors
2
H-bond donors
1
Molar refractivity
50.29
TPSA
45.75

LogP / Solubility

WLOGP
1.44
MLOGP
1.26
XLogP3
1.3
Consensus LogP
1.33
Log S (ESOL)
-2.43
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.01
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.09
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)
-2.75

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

Applications of CAS 2166-31-6

This compound is commonly used in general chemistry research and laboratory applications. Starshine Chemical supplies CAS 2166-31-6 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Name3-phenyl-1H-pyridazin-6-one

Safety Information (GHS)

Pictogram(s): GHS07. Signal word: Warning.

Precautionary statements: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, 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: Keep the container tightly closed in a cool, dry and well-ventilated place. 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.

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