C10H16O4S
232.3 g/mol
Research ReagentDanger
Reychler's acid
CAS3144-16-9EC221-554-1
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
Camphorsulfonic acid, also known as Reychler's acid, is an organosulfur compound and a relatively strong acid. It is a colorless solid at room temperature, soluble in water and many organic solvents, and is primarily used as a reagent for the resolution of optically active isomers.
Resolution of optically active isomers
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.
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Related Compounds
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research compound
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research compound
Referencestereoisomer of
(-)-camphorsulfonic acid
CAS35963-20-3
pharmaceutical raw material
Referencestereoisomer of
Sodium camphorsulfonate
CAS21791-94-6
research compound
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for Reychler's acid (CAS 3144-16-9) is 2914.79.
HS code (international, 6-digit)
2914.79
EU CN code (8-digit)
2914 79 00
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
[(1S,4R)-7,7-dimethyl-2-oxo-1-bicyclo[2.2.1]heptanyl]methanesulfonic acid
InChIKey
MIOPJNTWMNEORI-GMSGAONNSA-N
SMILES
CC1([C@@H]2CC[C@]1(C(=O)C2)CS(=O)(=O)O)C
Synonyms (53)
- 10-CSA
- D-CAMPHOR SULFONIC ACID (USP-RS)
- D-Camphor sulfonic acid, United States Pharmacopeia (USP)
- VORICONAZOLE IMPURITY E (EP IMPURITY)
- Voriconazole impurity E, European Pharmacopoeia (EP)
- (+)-CSA
- (+)-Camphor-10-sulfonic acid
- (+)-b-Camphorsulfonic acid
- (1S)-(+)-CSA
- (R)-camphorsulfonic acid
- (RS)-10-CAMPHORSULFONIC ACID
- (s)-camphorsulfonic acid
- 10-Camphorsulfonic acid
- 2Oxo10bornanesulfonic acid
- CAMPHORSULFONIC ACID, (+)-
- Camphersulfosaeure
- Camphersulfosaeure [German]
- Camphor-10-sulfonic acid (EC)
- Camphorsulfonic acid, d-
- Camphostyl
- DL-10-Camphorsulfonic acid
- Reychler's acid
- VORICONAZOLE IMPURITY E
- betaCamphorsulfonic acid
- d-Camphorsulfonic acid
- d10Camphorsulfonic acid
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