C8H12N4O5
244.2 g/mol
APIDanger
Ribavirin
CAS36791-04-5EC636-825-3
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Ribavirin is an active pharmaceutical ingredient used in pharmaceutical manufacturing. It is noted for causing developmental toxicity and male reproductive toxicity according to government labeling requirements.
antiviral compoundaerosol treatment for severe lower respiratory tract infection due to respiratory syncytial virus in hospitalized infants and young childrenantimetabolite
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 36791-04-5
Related Compounds
ReferenceSame Category
Meclofenoxate hydrochloride
CAS3685-84-5
pharmaceutical raw material
ReferenceSame Category
Tramiprosate
CAS3687-18-1
pharmaceutical raw material
ReferenceSame Category
Oxomemazine
CAS3689-50-7
pharmaceutical raw material
ReferenceSame Category
Chlorhexidine hydrochloride
CAS3697-42-5
pharmaceutical raw material
Safety Reference
Danger
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Ribavirin (CAS 36791-04-5) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,4-triazole-3-carboxamide
InChIKey
IWUCXVSUMQZMFG-AFCXAGJDSA-N
SMILES
C1=NC(=NN1[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O)C(=O)N
Synonyms (74)
- R-964
- RBV
- RTC
- RTCA
- Ribavirin (JP18/USP/INN)
- Ribavirin, British Pharmacopoeia (BP)
- Ribavirin, European Pharmacopoeia (EP)
- Ribavirin, United States Pharmacopeia (USP)
- Ribavirina [INN-Spanish]
- Ribavirine [INN-French]
- Ribavirinum [INN-Latin]
- 4pb1
- C-Virin
- Copegus
- Copegus (TN)
- Cotronak
- RIBAVIRIN [MART.]
- Ravanex
- Rebetol
- Rebetol (TN)
- Rebetron
- Rebretron
- Ribacine
- Ribamide
- Ribamidil
- Ribamidyl
- Ribapak
- Ribasphere
- Ribasphere (TN)
- Ribav
- Ribavarin
- Ribavirin (Copegus)
- Ribavirin (Standard)
- Ribavirin BioPartners
- Ribavirin CRS
- Ribavirin Capsules
- Ribavirin Mylan
- Ribavirin Teva
- Ribavirin Teva Pharma B.V.
- Ribavirin, antiviral
- Ribavirina
- Ribavirine
- Ribavirinum
- Ribavirvin
- Ribovirin
- Tribavirin
- Varazid
- Vilona
- Viramid
- Viramide
- Viratek;
- Virazid
- Virazide
- Virazole
- Virazole (TN)
- VirustazCotronak
- ribavirin
- ribofluranosyl carboxamide