CAS RN: 21901-34-8
2-Hydroxy-3-methyl-5-nitropyridine
Product Availability
Choose a grade to view its available package options.
1 package records1 with current stock1 grade group
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250629 | 1g / 5g / 25g / 100g | Confirm by inquiry | Shanghai, Shandong | 5-7 business days | Inquiry |
- Product code: SSC-105442
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
- Available purity: >97%
- Inventory rows with stock: 4
- 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 | >97% | 3 In Stock | Shanghai | Inquiry |
| 5g | >97% | 2 In Stock | Shenzhen | Inquiry |
| 10g | >97% | 1 In Stock | Hong Kong | Inquiry |
| 25g | >97% | 1 In Stock | Shanghai | Inquiry |
| 100g | >97% | 0 Out of Stock | Hong Kong | Inquiry |
21901-34-8 / 3-methyl-5-nitro-1H-pyridin-2-one
Basic Information
CAS
21901-34-8
Multi CAS
No
Molecular Formula
C6H6N2O3
Molecular Weight
154.120000
Exact Mass
154.037842
SMILES
CC1=CC(=CNC1=O)[N+](=O)[O-]
InChI
InChI=1S/C6H6N2O3/c1-4-2-5(8(10)11)3-7-6(4)9/h2-3H,1H3,(H,7,9)
InChIKey
FPTYZBDNBMVYCL-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
11
Aromatic heavy atom count
6
Fraction Csp3
0.17
Rotatable bonds
1
H-bond acceptors
3
H-bond donors
1
Molar refractivity
38.45
TPSA
76
LogP / Solubility
WLOGP
0.59
MLOGP
0.52
XLogP3
0.1
Consensus LogP
0.4
Log S (ESOL)
-1.51
Class (ESOL)
Soluble
Log S (Ali)
-1.25
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.27
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)
-3.24
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
Applications of CAS 21901-34-8
This compound is commonly used in general chemistry research and laboratory applications. Starshine Chemical supplies CAS 21901-34-8 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | 3-methyl-5-nitro-1H-pyridin-2-one |
Safety Information (GHS)
Pictogram(s): GHS05, GHS07. Signal word: Danger.
- H302 (91.8%): Harmful if swallowed [Warning Acute toxicity, oral]
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H318 (91.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H335 (98.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary statements: P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Request the SDS (Safety Data Sheet) for full hazard and safety documentation.
Storage & Handling
Storage: Keep the container tightly closed in a cool, dry and well-ventilated place. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.
Quotation & Packaging
Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.
Quality & Compliance
Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.
