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CAS 1027534-43-5 Pyrazolo[1,5-a]pyriMidin-5(4H)-one molecular structure lightbox
CAS RN: 1027534-43-5

Pyrazolo[1,5-a]pyriMidin-5(4H)-one

Product Availability

Choose a grade to view its available package options.

5 package records3 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250318 250mg / 1g Out of stock 5-7 business days Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20251011 10g Out of stock Inquiry
Batchno.20260131 1g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20251210 250mg In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250817 5g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
  • Product code: SSC-004102
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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 1027534-43-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g ＞95% 0 Out of Stock Shanghai Inquiry

1027534-43-5 / 4H-pyrazolo[1,5-a]pyrimidin-5-one

Pyrazolo[1,5-a]pyrimidin-5(1H)-one | 4H,5H-PYRAZOLO[1,5-A]PYRIMIDIN-5-ONE | DTXSID70582949

Standard CAS: 1027534-43-5 Multi CAS: Yes
Basic Information Computed Properties Safety & Transport

Basic Information

CAS
1027534-43-5
Multi CAS
Yes
Molecular Formula
C6H5N3O
Molecular Weight
135.120000
Exact Mass
135.043262
SMILES
C1=CN2C(=CC=N2)NC1=O
InChI
InChI=1S/C6H5N3O/c10-6-2-4-9-5(8-6)1-3-7-9/h1-4H,(H,8,10)
InChIKey
LSLIYLLMLAQRIS-UHFFFAOYSA-N
Synonyms
Pyrazolo[1,5-a]pyrimidin-5(1H)-one 4H,5H-PYRAZOLO[1,5-A]PYRIMIDIN-5-ONE DTXSID70582949 pyrazolo(1,5-a)pyrimidin-5(1H)-one 4H,5H-pyrazolo(1,5-a)pyrimidin-5-one

Computed Properties

Structural Parameters

Heavy atom count
10
Aromatic heavy atom count
9
H-bond acceptors
3
H-bond donors
1
Molar refractivity
35.81
TPSA
50.16

LogP / Solubility

WLOGP
0.02
MLOGP
0.01
XLogP3
-0.3
Consensus LogP
-0.09
Log S (ESOL)
-1.36
Class (ESOL)
Soluble
Log S (Ali)
-0.68
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.56
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)
-3.53

Drug-likeness / Medicinal Chemistry

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

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H302+H312+H332 (93.3%): Harmful if swallowed, in contact with skin or if inhaled [Warning Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation] H302 (96.7%): Harmful if swallowed [Warning Acute toxicity, oral] H312 (96.7%): Harmful in contact with skin [Warning Acute toxicity, dermal] H332 (96.7%): Harmful if inhaled [Warning Acute toxicity, inhalation] Not Classified
Precautionary Statement Codes
P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P317, P321, P330, P362+P364, and P501

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