Rimazolium

Rimazolium
Systematic (IUPAC) name

3-(Ethoxycarbonyl)-1,6-dimethyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-1-ium
Identifiers
CAS Number	35615-72-6 28610-84-6 (mesylate)
ATC code	N02BG02
PubChem	CID 71940
ChemSpider	64949
Chemical data
Formula	C₁₃H₁₉N₂O₃ C₁₄H₂₂N₂O₇S (mesylate)
Molar mass	251.30 g/mol 362.40 g/mol (mesylate)
SMILES O=C1C(=C/[N+](=C2\N1C(CCC2)C)C)\C(=O)OCC
InChI InChI=1S/C13H19N2O3/c1-4-18-13(17)10-8-14(3)11-7-5-6-9(2)15(11)12(10)16/h8-9H,4-7H2,1-3H3/q+1 Key:JOWRFSPJFXLGGY-UHFFFAOYSA-N
Physical data
Melting point	165 to 166 °C (329 to 331 °F) (mesylate)^[1]

Rimazolium is a non-narcotic analgesic.^[1]^[2] It is usually formulated as the mesylate salt, rimazolium metilsufate.

References

1 2 Merck Index, 11th Edition, 8222
↑ Furst, S; Gyires, K; Knoll, J (1988). "Analgesic profile of rimazolium as compared to different classes of pain killers". Arzneimittel-Forschung 38 (4): 552–7. PMID 3261171.

Analgesics (N02A, N02B)

Opioids

Opiates/opium	Codeine^# Morphine^# Opium Laudanum Paregoric

Semisynthetic	Acetyldihydrocodeine Benzylmorphine Buprenorphine Desomorphine Diacetylmorphine (heroin) Dihydrocodeine Dihydromorphine Ethylmorphine Hydrocodone Hydromorphinol Hydromorphone Nicocodeine Nicodicodeine Nicomorphine Oxycodone Oxymorphone

Synthetic	Alphaprodine Anileridine Butorphanol Dextromoramide Dextropropoxyphene Dezocine Fentanyl Ketobemidone Levorphanol Meptazinol Methadone Nalbuphine Pentazocine Pethidine Phenazocine Piminodine Piritramide Propiram Tapentadol Tilidine Tramadol

Anilines

Acetanilide^‡
Bucetin^‡
Butacetin^‡
Paracetamol (acetaminophen)^#
Parapropamol^‡
Phenacetin^‡
Propacetamol^‡

NSAIDs

Propionates	Fenoprofen Flurbiprofen Ibuprofen^# Ketoprofen Naproxen Oxaprozin

Oxicams	Meloxicam Piroxicam

Acetates	Diclofenac Indometacin Ketorolac Nabumetone Sulindac Tolmetin

COX-2 inhibitors	Celecoxib Etoricoxib Lumiracoxib Parecoxib Rofecoxib ^‡ Valdecoxib ^‡

Fenamates	Meclofenamic acid Mefenamic acid

Salicylates	Aspirin (acetylsalicylic acid)^# (+paracetamol/caffeine) Benorylate Diflunisal Ethenzamide Magnesium salicylate Salicin Salicylamide Salsalate Wintergreen (methyl salicylate)

Pyrazolones	Aminophenazone^‡ Ampyrone Metamizole (dipyrone) Nifenazone Phenazone Propyphenazone

Others	Glafenine

Cannabinoids

Channelergics

Calcium blockers	Gabapentin Gabapentin enacarbil Pregabalin Ziconotide

Sodium blockers	Carbamazepine Lacosamide Local anesthetics (e.g., cocaine, lidocaine) Mexiletine Nefopam Tricyclic antidepressants (e.g., amitriptyline^#)

Potassium openers	Flupirtine

Myorelaxants

Others

Camphor
Capsaicin
Clonidine
Ketamine
Menthol
Methoxyflurane
Nefopam
Proglumide
Tricyclic antidepressants (e.g., amitriptyline^#)

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

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