CAS RN: 33641-15-5

5-Hydroxy-1-methyl-1H-pyrazole

Product Availability

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2 package records1 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260328 1g / 5g / 25g / 100g / 500g / 2.5kg Confirm by inquiry Shanghai, Shandong Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250707 5g Out of stock 8-10 business days Inquiry
  • Product code: SSC-139800
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 1g, 5g, 10g, 25g, 100g, 500g
  • Available purity: >97%
  • Inventory rows with stock: 6
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 33641-15-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g >97% 5 In Stock Beijing Inquiry
5g >97% 5 In Stock Hong Kong Inquiry
10g >97% 5 In Stock Shenzhen Inquiry
25g >97% 5 In Stock Beijing Inquiry
100g >97% 5 In Stock Beijing Inquiry
500g >97% 1 In Stock Shanghai Inquiry

33641-15-5 / 2-methyl-4H-pyrazol-3-one

Standard CAS: 33641-15-5 Multi CAS: Yes

Basic Information

CAS
33641-15-5
Multi CAS
Yes
Molecular Formula
C4H6N2O
Molecular Weight
98.100000
Exact Mass
98.048013
InChI
InChI=1S/C4H6N2O/c1-6-4(7)2-3-5-6/h3H,2H2,1H3
InChIKey
NNZXDXMEXBYSRF-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
7
Fraction Csp3
0.5
H-bond acceptors
2
Molar refractivity
25.88
TPSA
32.67

LogP / Solubility

WLOGP
-0.17
MLOGP
-0.16
XLogP3
-0.6
Consensus LogP
-0.31
Log S (ESOL)
-0.34
Class (ESOL)
Very soluble
Log S (Ali)
-0.24
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.16
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)
-3.44

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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