Letosteine

RESPIRATORY SYSTEM

Also known as: viscotiol, visoctiol

ATC R05CB09

Data last refreshed: 2026-11-10 (DrugCentral release 2024-11-01)

Open interactive profile (3D, safety, PGx)

Key facts

Letosteine is a drug catalogued in DrugCentral.

ATC code: R05CB09 (Mucolytics).
Molecular formula: C10H17NO4S2; molecular weight 279.37 g/mol.

ATC classification

ATC code	Therapeutic hierarchy
`R05CB09`	RESPIRATORY SYSTEM › COUGH AND COLD PREPARATIONS › EXPECTORANTS, EXCL. COMBINATIONS WITH COUGH SUPPRESSANTS › Mucolytics

Chemical structure

Molecular formula	C₁₀H₁₇NO₄S₂
Molecular weight	279.37 g/mol
CAS number	53943-88-7
InChIKey	IKOCLISPVJZJEA-UHFFFAOYSA-N
PubChem CID	68707

CCOC(=O)CSCCC1NC(CS1)C(O)=O

Frequently asked questions

Answers are generated from the structured data on this page, not written by hand.

What is the chemical formula of Letosteine?

Letosteine has the molecular formula C10H17NO4S2 and a molecular weight of 279.37 g/mol.

Browse: all drugs starting with L · drug guides by category · protein targets A–Z.

Sources

DrugCentral drug card 1555 — structure, indications, targets, approvals, pharmacologic classes (CC BY-SA 4.0)
ChEMBL CHEMBL2105044 — compound record and bioactivity
PubChem CID 68707 — chemical identifiers
DrugBank DB08939 — drug record
FDA UNII 6MVF9U95DW — substance identity

How this page is built: methodology · editorial policy & corrections.

For research and educational use only — not medical advice. This page is compiled automatically from public databases. It is not written or reviewed by a clinician. Do not start, stop or change any treatment based on it; consult a qualified healthcare professional. Spotted an error? See our corrections policy or email hello@molforge.ai.