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CAS 55271-58-4 4-Amino-5-chloro-3(2H)-pyridazinone molecular structure lightbox
CAS RN: 55271-58-4

4-Amino-5-chloro-3(2H)-pyridazinone

  • Product code: SSC-163121
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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: 1g
  • 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 55271-58-4
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥95% 0 Out of Stock Hong Kong Inquiry

55271-58-4 / 5-amino-4-chloro-1H-pyridazin-6-one

Standard CAS: 55271-58-4 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
55271-58-4
Multi CAS
Yes
Molecular Formula
C4H4CLN3O
Molecular Weight
145.550000
Exact Mass
145.004290
InChI
InChI=1S/C4H4ClN3O/c5-2-1-7-8-4(9)3(2)6/h1H,(H2,6,7)(H,8,9)
InChIKey
HSZOUQRYXUJRFJ-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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