CAS RN: 1918-79-2
5-Methyl-2-thiophenecarboxylic Acid
Product Availability
Choose a grade to view its available package options.
6 package records6 with current stock1 grade group
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250618 | 100g | In stock | Shanghai | Inquiry | |
| Batchno.20260621 | 1kg | In stock | Shanghai | Inquiry | |
| Batchno.20260411 | 25g | In stock | Shanghai, Shenzhen | Inquiry | |
| Batchno.20251006 | 500g | In stock | Shanghai | Inquiry | |
| Batchno.20260525 | 5g | In stock | Shanghai, Shenzhen, Tianjin, Chengdu | Inquiry | |
| Batchno.20250510 | 5g / 25g / 100g / 500g | Confirm by inquiry | Shanghai, Shandong | 8-10 business days | Inquiry |
- Product code: SSC-089824
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: ≥98%
- Inventory rows with stock: 2
- 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 |
|---|---|---|---|---|
| 1g | -- | 5 In Stock | Shenzhen | Inquiry |
| 1g | ≥98% | 5 In Stock | Shenzhen | Inquiry |
| 5g | -- | 0 Out of Stock | Shenzhen | Inquiry |
| 5g | ≥98% | 0 Out of Stock | Hong Kong | Inquiry |
| 10g | -- | 0 Out of Stock | Beijing | Inquiry |
| 10g | ≥98% | 0 Out of Stock | Hong Kong | Inquiry |
| 25g | -- | 0 Out of Stock | Hong Kong | Inquiry |
| 25g | ≥98% | 0 Out of Stock | Hong Kong | Inquiry |
| 100g | -- | 0 Out of Stock | Beijing | Inquiry |
| 100g | ≥98% | 0 Out of Stock | Shanghai | Inquiry |
| 500g | -- | 0 Out of Stock | Beijing | Inquiry |
| 500g | ≥98% | 0 Out of Stock | Shenzhen | Inquiry |
1918-79-2 / 5-methylthiophene-2-carboxylic acid
Basic Information
CAS
1918-79-2
Multi CAS
No
Molecular Formula
C6H6O2S
Molecular Weight
142.180000
Exact Mass
142.008851
SMILES
CC1=CC=C(S1)C(=O)O
InChI
InChI=1S/C6H6O2S/c1-4-2-3-5(9-4)6(7)8/h2-3H,1H3,(H,7,8)
InChIKey
VCNGNQLPFHVODE-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
9
Aromatic heavy atom count
5
Fraction Csp3
0.17
Rotatable bonds
1
H-bond acceptors
2
H-bond donors
1
Molar refractivity
36.02
TPSA
37.3
LogP / Solubility
WLOGP
1.75
MLOGP
1.54
XLogP3
1.9
Consensus LogP
1.73
Log S (ESOL)
-2.17
Class (ESOL)
Moderately soluble
Log S (Ali)
-1.99
Class (Ali)
Soluble
Log S (SILICOS-IT)
-2.16
Class (SILICOS-IT)
Moderately 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)
-2.34
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 (16.7%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (83.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
![CAS 251-41-2 Thieno[3,2-b]thiophene molecular structure](https://starshinechemical.com/wp-content/uploads/2022/03/t2513-jpgcontextbwfzdgvyfhjvb3r8mzc4otv8aw1hz2uvanblz3xommevagrklzg5mzi1otu5ota1ntgvvdi1mtmuanbnfgzimme0mdlkmjdmodvhn2vimzjimmjlmmjlytvmntlimdi5nduzyjkzodfkmwy4ndjmotqynmezytzhntk0zmu.jpeg)
