1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione

Modify Date: 2025-09-23 18:15:19

1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione Structure
1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione structure
Common Name 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione
CAS Number 1502-46-1 Molecular Weight 221.13300
Density 2.96g/cm3 Boiling Point 513.6ºC at 760 mmHg
Molecular Formula C6H3N7O3 Melting Point N/A
MSDS N/A Flash Point 264.4ºC

Summary: 1,3,4,6,7,9,9b-Hepaazaphenalene-2,5,8(1H,3H,6H)-trione (CAS number: 1502-46-1, molecular formula: C6H3N7O3, molecular weight: 221.13300) is an important organic synthetic intermediate. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 2.96g/cm3
Boiling Point 513.6ºC at 760 mmHg
Molecular Formula C6H3N7O3
Molecular Weight 221.13300
Flash Point 264.4ºC
Exact Mass 221.03000
PSA 141.66000
Vapour Pressure 1.07E-12mmHg at 25°C
Index of Refraction 2.493
InChIKey PBKYCCOBOHDCIT-UHFFFAOYSA-N
SMILES O=C1Nc2nc(=O)nc3[nH]c(=O)nc(n23)N1

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione Structure

1,3,4,6,7,9,9b-...

CAS#:1502-46-1

Learn More
Literature: Volhard Journal fuer Praktische Chemie (Leipzig), 1874 , vol. <2>9, p. 29

~%

1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione Structure

1,3,4,6,7,9,9b-...

CAS#:1502-46-1

Learn More
Literature: Liebig Justus Liebigs Annalen der Chemie, 1855 , vol. 95, p. 269

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  2

 Bioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: A screen for compounds that inhibit cell wall-associated teichoic acid synthesis in S...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS704
Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Chemical Probes of Kaposi's Sarcoma Herpes Virus Latent Infection
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: ORF 73 [Human herpesvirus 8 type M]
External Id: HMS791
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: High-throughput screen for inhibitors of the GIV GBA-motif interaction with Galpha-i ...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS1303
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: HIV Cellular Data
Source: NIAID
Target: N/A
External Id: HIV Cellular Data
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1,3,4,6,7,9,9b-Heptaazaphenalene-2,5,8(1H,3H,6H)-trione
cyameluric acid
1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8-triol
2,6,10-Trihydroxy-symm.-heptazin
Cyamelursaeure
cyamelluric acid

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: The English name of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione.
Q: What is the CAS number of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: CAS number of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is 1502-46-1.
Q: What is the SMILES notation of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: SMILES notation of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is O=C1Nc2nc(=O)nc3[nH]c(=O)nc(n23)N1.
Q: What is the molecular formula of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: Molecular formula of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is C6H3N7O3.
Q: What is the polar surface area (PSA) of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: Polar surface area (PSA) of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is 141.66000.
Q: What is the boiling point of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: Boiling point of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is 513.6ºC at 760 mmHg.
Q: What English synonyms does 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione have?
A: English synonyms of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione: 1,3,4,6,7,9,9b-Heptaazaphenalene-2,5,8(1H,3H,6H)-trione, cyameluric acid, 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8-triol, 2,6,10-Trihydroxy-symm.-heptazin, Cyamelursaeure, cyamelluric acid.
Q: What is the molecular weight of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: Molecular weight of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is 221.13300.
Q: What is the Chinese name of 1502-46-1?
A: Chinese name of 1502-46-1 is 1502-46-1.
Q: What is the InChIKey of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione?
A: InChIKey of 1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8(1H,3H,6H)-trione is PBKYCCOBOHDCIT-UHFFFAOYSA-N.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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