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CAS 28491-52-3 5-amino-1,2-dihydropyrazol-3-one molecular structure lightbox
CAS RN: 28491-52-3

5-amino-1,2-dihydropyrazol-3-one

Product Availability

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6 package records5 with current stock2 grade groups
Batch No.PackageAvailabilityLead TimeInquiry
Batchno.20250906 100g In stock Inquiry
Batchno.20251205 10g In stock Inquiry
Batchno.20251126 1g In stock Inquiry
Batchno.20251024 25g In stock Inquiry
Batchno.20260514 5g In stock Inquiry
Batch No.PackageAvailabilityLead TimeInquiry
Batchno.20260619 5g / 10g / 25g / 100g / 500g Out of stock 8-10 business days Inquiry
  • Product code: SSC-129871
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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: 100g
  • 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 28491-52-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g ＞97% 0 Out of Stock Shanghai Inquiry

28491-52-3 / 5-amino-1,2-dihydropyrazol-3-one

Standard CAS: 28491-52-3 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
28491-52-3
Multi CAS
Yes
Molecular Formula
C3H5N3O
Molecular Weight
99.090000
Exact Mass
99.043262
InChI
InChI=1S/C3H5N3O/c4-2-1-3(7)6-5-2/h1H,(H4,4,5,6,7)
InChIKey
QZBGOTVBHYKUDS-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
7
Aromatic heavy atom count
5
H-bond acceptors
2
H-bond donors
3
Molar refractivity
25.83
TPSA
74.67

LogP / Solubility

WLOGP
-0.71
MLOGP
-0.64
XLogP3
-0.7
Consensus LogP
-0.68
Log S (ESOL)
-0.53
Class (ESOL)
Very soluble
Log S (Ali)
0.14
Class (Ali)
Highly soluble
Log S (SILICOS-IT)
0.29
Class (SILICOS-IT)
Highly soluble

ADME

GI absorption
Low
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)
-3.83

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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