CAS RN: 21943-13-5
2-AMINO-5-BROMO-3-CHLOROPYRAZINE
Product Availability
Choose a grade to view its available package options.
12 package records11 with current stock3 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20260524 | 10g / 25g / 100g | Confirm by inquiry | Shanghai | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20250811 | 100g | In stock | Shanghai, Tianjin, Chengdu | Inquiry |
| Batchno.20260407 | 10g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20251209 | 1g | In stock | Shanghai | Inquiry |
| Batchno.20260423 | 25g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan | Inquiry |
| Batchno.20250112 | 500g | Out of stock | Inquiry | |
| Batchno.20251231 | 5g | In stock | Shanghai, Chengdu | Inquiry |
- Product code: starshine_CAS21943-13-5
- Purity/Analytical Methods: >99.0%
21943-13-5 / 5-bromo-3-chloropyrazin-2-amine
Basic Information
CAS
21943-13-5
Multi CAS
No
Molecular Formula
C4H3BrClN3
Molecular Weight
208.440000
Exact Mass
206.919890
SMILES
C1=C(N=C(C(=N1)N)Cl)Br
InChI
InChI=1S/C4H3BrClN3/c5-2-1-8-4(7)3(6)9-2/h1H,(H2,7,8)
InChIKey
RLBJPMURTWCBMZ-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
9
Aromatic heavy atom count
6
H-bond acceptors
3
H-bond donors
1
Molar refractivity
39.15
TPSA
51.8
LogP / Solubility
WLOGP
1.47
MLOGP
1.3
XLogP3
1.4
Consensus LogP
1.39
Log S (ESOL)
-2.55
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.33
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.24
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)
-2.94
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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- CAS RN: 21945-86-8
- Product Code: starshine_CAS21945-86-8
- Purity/Analytical method: >99.0%
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