CAS RN: 4857-42-5
3-Methylisoxazole-5-carboxylic Acid
Product Availability
Choose a grade to view its available package options.
7 package records7 with current stock1 grade group
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250303 | 100g | In stock | Shanghai | Inquiry | |
| Batchno.20251203 | 10g | In stock | Shanghai, Tianjin | Inquiry | |
| Batchno.20250130 | 1g | In stock | Shanghai | Inquiry | |
| Batchno.20260407 | 250mg | In stock | Shanghai, Shenzhen, Tianjin | Inquiry | |
| Batchno.20260606 | 250mg / 1g / 5g / 25g / 100g | Confirm by inquiry | Shanghai | 8-10 business days | Inquiry |
| Batchno.20260131 | 25g | In stock | Shanghai, Chengdu | Inquiry | |
| Batchno.20250105 | 5g | In stock | Shanghai, Shenzhen, Tianjin | Inquiry |
- Product code: SSC-155285
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: 0.25g, 1g, 5g, 10g, 25g
- Available purity: ≥95%
- Inventory rows with stock: 1
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 0.25g | ≥95% | 1 In Stock | Shenzhen | Inquiry |
| 1g | ≥95% | 0 Out of Stock | Shanghai | Inquiry |
| 5g | ≥95% | 0 Out of Stock | Beijing | Inquiry |
| 10g | ≥95% | 0 Out of Stock | Hong Kong | Inquiry |
| 25g | ≥95% | 0 Out of Stock | Hong Kong | Inquiry |
4857-42-5 / 5-methyl-1,2-oxazole-3-carboxylic acid
Basic Information
CAS
4857-42-5
Multi CAS
Yes
Molecular Formula
C5H5NO3
Molecular Weight
127.100000
Exact Mass
127.026943
InChI
InChI=1S/C5H5NO3/c1-3-2-4(5(7)8)6-9-3/h2H,1H3,(H,7,8)
InChIKey
BNMPIJWVMVNSRD-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
9
Aromatic heavy atom count
5
Fraction Csp3
0.2
Rotatable bonds
1
H-bond acceptors
3
H-bond donors
1
Molar refractivity
28.2
TPSA
63.33
LogP / Solubility
WLOGP
0.68
MLOGP
0.59
XLogP3
0.7
Consensus LogP
0.66
Log S (ESOL)
-1.4
Class (ESOL)
Soluble
Log S (Ali)
-1.09
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.17
Class (SILICOS-IT)
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)
-3.01
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5
