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CAS 5004-48-8 4-METHYLPHTHALAZIN-1(2H)-ONE molecular structure lightbox
CAS RN: 5004-48-8

4-METHYLPHTHALAZIN-1(2H)-ONE

Product Availability

Choose a grade to view its available package options.

6 package records6 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20251021 100mg In stock Shanghai, Shenzhen, Wuhan Inquiry
Batchno.20250519 100mg / 250mg / 1g / 5g / 25g Confirm by inquiry Shanghai 5-7 business days Inquiry
Batchno.20250127 1g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250713 250mg In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250305 25g In stock Shanghai Inquiry
Batchno.20250306 5g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
  • Product code: SSC-156359
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 5g
  • Available purity: ＞97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 5004-48-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g ＞97% 0 Out of Stock Hong Kong Inquiry

5004-48-8 / 4-methyl-2H-phthalazin-1-one

Standard CAS: 5004-48-8 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
5004-48-8
Multi CAS
Yes
Molecular Formula
C9H8N2O
Molecular Weight
160.170000
Exact Mass
160.063663
InChI
InChI=1S/C9H8N2O/c1-6-7-4-2-3-5-8(7)9(12)11-10-6/h2-5H,1H3,(H,11,12)
InChIKey
QRNVHFPDZAZUGX-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
12
Aromatic heavy atom count
10
Fraction Csp3
0.11
H-bond acceptors
2
H-bond donors
1
Molar refractivity
47.1
TPSA
45.75

LogP / Solubility

WLOGP
1.23
MLOGP
1.08
XLogP3
1
Consensus LogP
1.1
Log S (ESOL)
-2.23
Class (ESOL)
Moderately soluble
Log S (Ali)
-1.76
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.72
Class (SILICOS-IT)
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)
-2.82

Drug-likeness / Medicinal Chemistry

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

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