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Screening compounds

Nitrazolam

Also known as 1-Methyl-8-nitro-6-phenyl-4H-S-triazolo(4,3-a)(1,4)benzodiazepine, 4H-(1,2,4)Triazolo(4,3-a)(1,4)benzodiazepine, 1-methyl-8-nitro-6-phenyl-, 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine, 1-methyl-8-nitro-6-phenyl-

CAS 28910-99-8Formula C17H13N5O2Molar mass 319.32 g/mol
Prohibited, not for trade
Why it is not for trade
Nitrazolam chemical structure, C17H13N5O2, CAS 28910-99-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
28910-99-8
Formula
C17H13N5O2
Molar mass
319.32 g/mol
HS code
293399
Category
Screening compounds

What is Nitrazolam?

Plain description, key identifiers and synonyms

Nitrazolam is a chemical substance with the molecular formula C17H13N5O2 and a molar mass of 319.32 g/mol. Its CAS registry number is 28910-99-8. The IUPAC name is 1-methyl-8-nitro-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-methyl-8-nitro-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine
CAS number
28910-99-8
Molecular formula
C17H13N5O2
UNII
K499DBB308
MDL number
MFCD18429264
InChIKey
OYRPNABWTHDOFK-UHFFFAOYSA-N
InChI
InChI=1S/C17H13N5O2/c1-11-19-20-16-10-18-17(12-5-3-2-4-6-12)14-9-13(22(23)24)7-8-15(14)21(11)16/h2-9H,10H2,1H3
SMILES (canonical and isomeric)
CC1=NN=C2N1C3=C(C=C(C=C3)[N+](=O)[O-])C(=NC2)C4=CC=CC=C4

Synonyms

  • 1-Methyl-8-nitro-6-phenyl-4H-S-triazolo(4,3-a)(1,4)benzodiazepine
  • 4H-(1,2,4)Triazolo(4,3-a)(1,4)benzodiazepine, 1-methyl-8-nitro-6-phenyl-
  • 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine, 1-methyl-8-nitro-6-phenyl-
  • Nitrazolam (nflis-drug)
  • 1-Methyl-8-nitro-6-phenyl-4H-(1,2,4)triazolo(4,3-a) (1,4)benzodiazepine
  • 3-methyl-12-nitro-9-phenyl-2,4,5,8-tetraazatricyclo(8.4.0.0^(2,6))tetradeca-1(10),3,5,8,11,13-hexaene
  • 3-methyl-12-nitro-9-phenyl-2,4,5,8-tetraazatricyclo[8.4.0.0^{2,6}]tetradeca-1(10),3,5,8,11,13-hexaene
  • 1-methyl-8-nitro-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine
  • Nitrazolam (1.0 mg/mL in Methanol)
  • Nitrazolam (1 mg/mL in Methanol)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
319.32 g/molcalc.
Exact mass
319.1069 Dacalc.
LogP (octanol/water)
2.83calc.
Topological polar surface area
86.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
24calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.12calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(C2=NCc3nncn3-c3ccccc32)cc1

c1ccc(C2=NCc3nncn3-c3ccccc32)cc1

4 rings, 20 atoms.

89 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Nitrazolam suppliers

Trading restrictions apply to this substance

New psychoactive substance

Nitrazolam is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Nitrazolam

Reference: UN 1971 Convention (scheduled new psychoactive substance) or designer drug

Our policy on controlled substances

Nitrazolam price

Indicative price range per kg from live supplier offers

Prices are not shown for prohibited substances.

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

New psychoactive substance

Nitrazolam is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Nitrazolam

Reference: UN 1971 Convention (scheduled new psychoactive substance) or designer drug

Our policy on controlled substances

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Nitrazolam is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Nitrazolam is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Nitrazolam, based on the data on this page

What is Nitrazolam?

Nitrazolam is a chemical substance with the molecular formula C17H13N5O2 and a molar mass of 319.32 g/mol. Its CAS registry number is 28910-99-8. The IUPAC name is 1-methyl-8-nitro-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine.

What is the CAS number of Nitrazolam?

The CAS registry number of Nitrazolam is 28910-99-8.

What is the molecular formula and weight of Nitrazolam?

The molecular formula of Nitrazolam is C17H13N5O2 and its molar mass is 319.32 g/mol.

What is Nitrazolam used for?

Known uses and roles of Nitrazolam include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Nitrazolam hazardous?

No GHS hazard classification for Nitrazolam is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Nitrazolam?

Nitrazolam is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Can I buy Nitrazolam on CompoundList?

No. Nitrazolam is on our prohibited list, so listings, quotes and messages for it are disabled. This page is kept for information only.

Guides for buyers

Practical guides that help when you source, ship or handle Nitrazolam

Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page

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