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CAS 21943-15-7 3,5-Dibromo-2-hydroxypyrazine molecular structure lightbox
CAS RN: 21943-15-7

3,5-Dibromo-2-hydroxypyrazine

Product Availability

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1 package records1 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250808 250mg / 1g / 5g / 25g / 100g Confirm by inquiry Shandong, Shanghai Inquiry
  • Product code: SSC-105546
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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: 1g, 5g, 10g, 25g
  • Available purity: >97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 21943-15-7
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g >97% 0 Out of Stock Shanghai Inquiry
5g >97% 0 Out of Stock Shenzhen Inquiry
10g >97% 0 Out of Stock Hong Kong Inquiry
25g >97% 0 Out of Stock Shanghai Inquiry

21943-15-7 / 3,5-dibromo-1H-pyrazin-2-one

Standard CAS: 21943-15-7 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
21943-15-7
Multi CAS
No
Molecular Formula
C4H2Br2N2O
Molecular Weight
253.880000
Exact Mass
253.851340
SMILES
C1=C(N=C(C(=O)N1)Br)Br
InChI
InChI=1S/C4H2Br2N2O/c5-2-1-7-4(9)3(6)8-2/h1H,(H,7,9)
InChIKey
NHVGHXUOFWEOSN-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
9
Aromatic heavy atom count
6
H-bond acceptors
2
H-bond donors
1
Molar refractivity
40.26
TPSA
45.75

LogP / Solubility

WLOGP
1.29
MLOGP
1.15
XLogP3
1.3
Consensus LogP
1.25
Log S (ESOL)
-2.72
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.58
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.38
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)
-3.35

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
Yes
Synthetic Accessibility
1.5

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