CAS RN: 2345-51-9
3-Butynoic Acid
Product Availability
Choose a grade to view its available package options.
16 package records15 with current stock2 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20251009 | 100g | In stock | Shanghai | Inquiry |
| Batchno.20260423 | 100mg | In stock | Shanghai, Shenzhen | Inquiry |
| Batchno.20251020 | 1g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20250424 | 1g | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
| Batchno.20250115 | 250mg | In stock | Shanghai, Shenzhen, Tianjin, Chengdu | Inquiry |
| Batchno.20260102 | 250mg | In stock | Shanghai, Shandong, Chongqing | Inquiry |
| Batchno.20251106 | 25g | In stock | Shanghai | Inquiry |
| Batchno.20250128 | 25g | In stock | Shandong | Inquiry |
| Batchno.20260404 | 500g | In stock | Shanghai | Inquiry |
| Batchno.20260328 | 5g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20250814 | 5g | In stock | Shanghai, Shandong, Hebei | Inquiry |
- Product code: SSC-113287
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, 100g
- Available purity: >98%, >97%
- Inventory rows with stock: 6
- 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 | >98% | 5 In Stock | Shanghai | Inquiry |
| 1g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 5g | >98% | 5 In Stock | Beijing | Inquiry |
| 10g | >98% | 5 In Stock | Shanghai | Inquiry |
| 25g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 100g | >98% | 2 In Stock | Hong Kong | Inquiry |
| 0.25g | >97% | 0 Out of Stock | Shenzhen | Inquiry |
| 1g | >97% | 0 Out of Stock | Shanghai | Inquiry |
| 5g | >97% | 0 Out of Stock | Shenzhen | Inquiry |
| 10g | >97% | 0 Out of Stock | Beijing | Inquiry |
| 25g | >97% | 0 Out of Stock | Shenzhen | Inquiry |
| 100g | >97% | 0 Out of Stock | Beijing | Inquiry |
2345-51-9 / but-2-ynoic acid
Basic Information
CAS
2345-51-9
Multi CAS
No
Molecular Formula
C4H4O2
Molecular Weight
84.070000
Exact Mass
84.021129
SMILES
CC#CC(=O)O
InChI
InChI=1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
InChIKey
LUEHNHVFDCZTGL-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
6
Fraction Csp3
0.25
H-bond acceptors
1
H-bond donors
1
Molar refractivity
21.09
TPSA
37.3
LogP / Solubility
WLOGP
0.09
MLOGP
0.07
XLogP3
0.8
Consensus LogP
0.32
Log S (ESOL)
-0.42
Class (ESOL)
Very soluble
Log S (Ali)
-0.32
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.28
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)
-3.17
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5
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