CAS RN: 290-37-9
Pyrazine
Product Availability
Choose a grade to view its available package options.
9 package records9 with current stock2 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20250130 | 100g | In stock | Shanghai, Shandong, Guangdong, Chongqing | Inquiry |
| Batchno.20260112 | 2.5kg | In stock | Shanghai, Shandong | Inquiry |
| Batchno.20260409 | 25g | In stock | Shanghai, Shandong, Guangdong, Hebei | Inquiry |
| Batchno.20260630 | 500g | In stock | Shanghai, Shandong, Chongqing, Hebei | Inquiry |
| Batchno.20250809 | 5g | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
- Product code: SSC-131114
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: 10g, 5g, 25g, 100g, 500g, 1000g
- Available purity: ≥98%
- Inventory rows with stock: 5
- 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 |
|---|---|---|---|---|
| 10g | ≥98% | 5 In Stock | Shenzhen | Inquiry |
| 10g | -- | 4 In Stock | Shenzhen | Inquiry |
| 5g | ≥98% | 3 In Stock | Shenzhen | Inquiry |
| 25g | ≥98% | 3 In Stock | Shenzhen | Inquiry |
| 5g | -- | 2 In Stock | Shanghai | Inquiry |
| 25g | -- | 0 Out of Stock | Shanghai | Inquiry |
| 100g | -- | 0 Out of Stock | Shanghai | Inquiry |
| 100g | ≥98% | 0 Out of Stock | Beijing | Inquiry |
| 500g | -- | 0 Out of Stock | Shanghai | Inquiry |
| 500g | ≥98% | 0 Out of Stock | Hong Kong | Inquiry |
| 1000g | -- | 0 Out of Stock | Shenzhen | Inquiry |
290-37-9 / pyrazine
Basic Information
CAS
290-37-9
Multi CAS
Yes
Molecular Formula
C4H4N2
Molecular Weight
80.090000
Exact Mass
80.037448
InChI
InChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H
InChIKey
KYQCOXFCLRTKLS-UHFFFAOYSA-N
Physical Properties
Melting Point
54 - 56 °C
Boiling Point
115.00 to 116.00 °C. @ 760.00 mm Hg
Physical Description
Solid with a strong odor like pyridine; [Merck Index] White crystalline solid with a strong odor;
Solid
deliquescent crystals or wax-like solid with a pungent, sweet, corn-like, nutty odour
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
6
Aromatic heavy atom count
6
H-bond acceptors
2
Molar refractivity
22.03
TPSA
25.78
LogP / Solubility
WLOGP
0.48
MLOGP
0.41
XLogP3
-0.2
Consensus LogP
0.23
Log S (ESOL)
-1.38
Class (ESOL)
Soluble
Log S (Ali)
-0.56
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.58
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)
-2.87
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5
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