![CAS 521-31-3 Luminol [Chemiluminescence Reagent] molecular structure](https://starshinechemical.com/wp-content/uploads/2022/03/a5301-jpgcontextbwfzdgvyfhjvb3r8nda3otj8aw1hz2uvanblz3xozgqvadi2lzg5mjg1mtqynzc0mdyvqtuzmdeuanbnfgq5mwfkzdmzmzmxntuynjuxzwy1otg3ywu1zdgwmdy2nza5zduxyjhhowuzmznmyjzimjnlzdfkntfjmdm4mwi.jpeg)
CAS RN: 521-31-3
Luminol [Chemiluminescence Reagent]
Product Availability
Choose a grade to view its available package options.
8 package records8 with current stock1 grade group
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20251016 | 100g | In stock | Shanghai, Tianjin, Chengdu | Inquiry |
| Batchno.20250815 | 100mg | In stock | Shanghai, Tianjin | Inquiry |
| Batchno.20260627 | 10g | In stock | Shanghai, Shenzhen, Tianjin, Chengdu | Inquiry |
| Batchno.20251209 | 1kg | In stock | Shanghai | Inquiry |
| Batchno.20251105 | 1mg | In stock | Shanghai, Tianjin, Wuhan | Inquiry |
| Batchno.20250905 | 25g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20251221 | 500g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20250527 | 5g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
- Product code: SSC-159185
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: 25g, 100g, 10g, 5g, 500g
- Available purity: >98%
- 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 |
|---|---|---|---|---|
| 25g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 100g | >98% | 4 In Stock | Beijing | Inquiry |
| 10g | >98% | 3 In Stock | Shanghai | Inquiry |
| 5g | >98% | 2 In Stock | Hong Kong | Inquiry |
| 500g | >98% | 0 Out of Stock | Shanghai | Inquiry |
521-31-3 / 5-amino-2,3-dihydrophthalazine-1,4-dione
Basic Information
CAS
521-31-3
Multi CAS
Yes
Molecular Formula
C8H7N3O2
Molecular Weight
177.160000
Exact Mass
177.053826
InChI
InChI=1S/C8H7N3O2/c9-5-3-1-2-4-6(5)8(13)11-10-7(4)12/h1-3H,9H2,(H,10,12)(H,11,13)
InChIKey
HWYHZTIRURJOHG-UHFFFAOYSA-N
Physical Properties
Melting Point
606 to 608 °F (NTP, 1992)
Physical Description
O-aminophthalyl hydrazide appears as yellow crystals or light beige powder. (NTP, 1992)
Yellow or light beige solid; [CAMEO] Light yellow powder
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
13
Aromatic heavy atom count
10
H-bond acceptors
3
H-bond donors
3
Molar refractivity
49.6
TPSA
91.74
LogP / Solubility
WLOGP
-0.2
MLOGP
-0.18
XLogP3
0.3
Consensus LogP
-0.03
Log S (ESOL)
-1.38
Class (ESOL)
Soluble
Log S (Ali)
-0.87
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.64
Class (SILICOS-IT)
Very soluble
ADME
GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.94
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
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