CAS RN: 503-74-2
Isovaleric Acid
Product Availability
Choose a grade to view its available package options.
18 package records18 with current stock6 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20250317 | 100g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20250914 | 1kg | In stock | Shanghai, Chengdu | Inquiry |
| Batchno.20260123 | 500g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan | Inquiry |
| Batchno.20250213 | 5kg | In stock | Shanghai | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20260418 | 5ml | In stock | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20250404 | 5ml | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
- Product code: SSC-156752
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: 0.1g
- Available purity: ＞97%
- Inventory rows with stock: 0
- Bulk packaging: confirmed by inquiry
Reference Pack Sizes
Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 0.1g | ＞97% | 0 Out of Stock | Shenzhen | Inquiry |
503-74-2 / 3-methylbutanoic acid
Basic Information
CAS
503-74-2
Multi CAS
Yes
Molecular Formula
C5H10O2
Molecular Weight
102.130000
Exact Mass
102.068080
InChI
InChI=1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)
InChIKey
GWYFCOCPABKNJV-UHFFFAOYSA-N
Physical Properties
Melting Point
-29.3 °C
Boiling Point
176.5 °C @ 760 MM HG
175.00 to 177.00 °C. @ 760.00 mm Hg
Density
0.931 @ 20 °C/4 °C
0.923-0.928
Physical Description
Isopentanoic acid is a colorless liquid with a penetrating odor. It is slightly soluble in water. It is corrosive to metals and to tissue.
Liquid
Liquid with a disagreeable odor like rancid cheese; [Merck Index] Clear colorless liquid with a disagreeable odor; [CHEMINFO]
colourless to pale yellow liquid with a disagreeable, rancid, cheese-like odour
Appearance
Colorless liquid
State
Liquid
Computed Properties
Structural Parameters
Heavy atom count
7
Fraction Csp3
0.8
Rotatable bonds
2
H-bond acceptors
1
H-bond donors
1
Molar refractivity
27.09
TPSA
37.3
LogP / Solubility
WLOGP
1.12
MLOGP
0.97
XLogP3
1.2
Consensus LogP
1.1
Log S (ESOL)
-1.04
Class (ESOL)
Soluble
Log S (Ali)
-1.2
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.49
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)
-2.55
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5
