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CAS 6339-19-1 4-AMINO-5-CHLOROPYRIDAZIN-6-ON molecular structure lightbox
CAS RN: 6339-19-1

4-AMINO-5-CHLOROPYRIDAZIN-6-ON

Product Availability

Choose a grade to view its available package options.

6 package records4 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250325 100g Out of stock Inquiry
Batchno.20250128 1g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250607 250mg In stock Shanghai, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20251117 250mg / 1g / 5g / 25g Out of stock 8-10 business days Inquiry
Batchno.20250712 25g In stock Shanghai, Tianjin Inquiry
Batchno.20260321 5g In stock Shanghai, Shenzhen, Tianjin, Chengdu Inquiry
  • Product code: SSC-173039
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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: ≥95%
  • 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 6339-19-1
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g ≥95% 0 Out of Stock Shanghai Inquiry

6339-19-1 / 4-amino-5-chloro-1H-pyridazin-6-one

Standard CAS: 6339-19-1 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
6339-19-1
Multi CAS
Yes
Molecular Formula
C4H4CLN3O
Molecular Weight
145.550000
Exact Mass
145.004290
InChI
InChI=1S/C4H4ClN3O/c5-3-2(6)1-7-8-4(3)9/h1H,(H3,6,8,9)
InChIKey
FEWPCPCEGBPTAL-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
9
Aromatic heavy atom count
6
H-bond acceptors
3
H-bond donors
2
Molar refractivity
34.28
TPSA
71.77

LogP / Solubility

WLOGP
0.01
XLogP3
-0.3
Consensus LogP
-0.1
Log S (ESOL)
-1.24
Class (ESOL)
Soluble
Log S (Ali)
-0.76
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.61
Class (SILICOS-IT)
Very 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)
-3.6

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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