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Isotope-labelled compounds

Primidone-D5

Also known as 5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-4,6-dione, Primidone-d5 (ethyl-d5), Primidone D5

CAS 73738-06-4Formula C12H14N2O2Molar mass 223.29 g/molEC 111-201-9
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard 2 suppliers listed
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Primidone-D5 chemical structure, C12H14N2O2, CAS 73738-06-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73738-06-4
Formula
C12H14N2O2
Molar mass
223.29 g/mol
EC number
111-201-9
HS code
284590
Category
Isotope-labelled compounds

What is Primidone-D5?

Plain description, key identifiers and synonyms

Primidone-D5 is a chemical substance with the molecular formula C12H14N2O2 and a molar mass of 223.29 g/mol. Its CAS registry number is 73738-06-4. The IUPAC name is 5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-4,6-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-4,6-dione
CAS number
73738-06-4 CAS number cross-checked
EC number
111-201-9
Molecular formula
C12H14N2O2
InChIKey
DQMZLTXERSFNPB-ZBJDZAJPSA-N
InChI
InChI=1S/C12H14N2O2/c1-2-12(9-6-4-3-5-7-9)10(15)13-8-14-11(12)16/h3-7H,2,8H2,1H3,(H,13,15)(H,14,16)/i1D3,2D2
Canonical SMILES
CCC1(c2ccccc2)C(=O)NCNC1=O
Isomeric SMILES
[2H]C([2H])([2H])C([2H])([2H])C1(C(=O)NCNC1=O)C2=CC=CC=C2

Synonyms

  • 5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-4,6-dione
  • Primidone-d5 (ethyl-d5)
  • Primidone D5
  • TMIH-0452
  • 5-(~2~H_5_)Ethyl-5-phenyl-1,3-diazinane-4,6-dione
  • 5-[(1,1,2,2,2-?H?)ethyl]-5-phenyl-1,3-diazinane-4,6-dione

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
223.29 g/molcalc.
Exact mass
223.1369 Dacalc.
LogP (octanol/water)
0.54calc.
Topological polar surface area
58.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
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, O=C1NCNC(=O)C1c1ccccc1

O=C1NCNC(=O)C1c1ccccc1

2 rings, 14 atoms.

12 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H351Suspected of causing cancer.
  • H361dSuspected of damaging the unborn child.
  • H362May cause harm to breast-fed children.
Precautionary statements (11)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P263Avoid contact during pregnancy and while nursing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P330Rinse mouth.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Primidone-D5 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Primidone-D5 price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Primidone-D5 is traded under.

HS 2845.90Indicative HS code

Compounds, inorganic or organic, of such isotopes, whether or not chemically defined

World exports in 2024
$2.67B
+19.0% vs 2023, imports $1.67B
2019 to 2024
Top exporters
  1. Ireland55.3%
  2. Hong Kong11.8%
  3. United States10.7%
Top importers
  1. China24.3%
  2. Ireland21.9%
  3. South Korea13.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Primidone-D5 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Primidone-D5, based on the data on this page

What is Primidone-D5?

Primidone-D5 is a chemical substance with the molecular formula C12H14N2O2 and a molar mass of 223.29 g/mol. Its CAS registry number is 73738-06-4. The IUPAC name is 5-(1,1,2,2,2-pentadeuterioethyl)-5-phenyl-1,3-diazinane-4,6-dione.

What is the CAS number of Primidone-D5?

The CAS registry number of Primidone-D5 is 73738-06-4.

What is the molecular formula and weight of Primidone-D5?

The molecular formula of Primidone-D5 is C12H14N2O2 and its molar mass is 223.29 g/mol.

What is Primidone-D5 used for?

Known uses and roles of Primidone-D5 include isotope-labelled compounds in research and laboratory.

Is Primidone-D5 hazardous?

Primidone-D5 carries the GHS signal word "Warning". Main hazards: harmful if swallowed, suspected of causing cancer, suspected of damaging the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Primidone-D5?

Primidone-D5 is usually classified under HS code 284590 (Isotopes other than those of heading 2844, compounds, inorganic or organic, of such…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Primidone-D5?

CompoundList lists 2 suppliers of Primidone-D5 in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Primidone-D5 in India?

1 supplier in India list Primidone-D5 on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Primidone-D5?

Suppliers quote Primidone-D5 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Primidone-D5

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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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