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(R)-camphorsulfonic acid

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Origin: China

Cas No: 35963-20-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Quick Details

    CAS No.:
    35963-20-3
    Other Names:
    1R-(-)-Camphorsulfonic acid
    MF:
    C10H18O5S
    EINECS No.:
    252-817-9
    Place of Origin:
    Hebei, China
    Type:
    Pharmaceutical Intermediates, Syntheses Material Intermediates
    Purity:
    99%min, 99%
    Brand Name:
    crovell
    Model Number:
    1R-(-)-Camphorsulfonic acid
    Application:
    organic intermediates
    Appearance:
    crystal powder
    Product Name:
    1R-(-)-Camphorsulfonic acid
    CAS:
    35963-20-3
    Keyword:
    1R-(-)-Camphorsulfonic acid
    Packing:
    25kg/drum
    Usage:
    Pharmaceutical Intermediates
    Storage:
    Cool Dried Storage
    Name:
    1R-(-)-Camphorsulfonic acid
    CAS number:
    35963-20-3
    Form:
    powder

    Packaging&Delivery

    Packaging Details
    1R-(-)-Camphorsulfonic acid
    25 kg/ drum or customized
    Port
    China Main Port
    Lead Time:
    Quantity(Kilograms)1 - 1000>1000
    Est. Time(days)3To be negotiated

    Products Description

    Item
    Specification
    Specific rotation
    +39.5 to +41.5°
    State of solution(transmittance)
    Clear 98.0% min.
    Chloride[cl]
    0.020% max.
    Ammonium [NH4]
    0.02% max.
    Sulfate[SO4]
    0.020% max
    Iron[Fe]
    10ppm max.
    Heavy metals [Pb]
    10ppm max
    Arsenic[As2O3]
    1ppm max
    Other amino acids
    Chromatographically not detectable
    Loss on drying
    0.20% max.
    Residue on ignition[sulfated]
    0.10% max.
    Assay
    99.0% min

  • Property

    CAS No.: 35963-20-3 Formula: C10H16O4S Molecular Weight: 232.29700

    Description

    Camphorsulfonic acid, sometimes abbreviated CSA or 10-CSA is an organosulfur compound. Like typical sulfonic acids, it is a relatively strong acid that is a colorless solid at room temperature and is soluble in water and a wide variety of organic substances.
    This compound is commercially available. It can be prepared by sulfonation of camphor with sulfuric acid and acetic anhydride. In organic synthesis, CSA and its derivatives can be used as resolving agents for chiral amines and other cations. For example, 3-bromocamphor-8-sulfonic acid was used in the synthesis of enantiopure devazepide.

    Basic Info

    Chemical Name (R)-camphorsulfonic acid
    Synonyms

    L(-)-Camphorsulfonic acid;
    (1R)-(-)-10-Camphorsulfonic acid;
    (1R)-(-)-CAMPHOR-10-SULPHONIC ACIDCamphorSulfonic Acid;
    (-)-10-Camphorsulfonic Acid;
    (−)-Camphor-10-sulfonic acid,(1R)-(−)-Camphor-10-sulfonic acid,(1R)-Camphor-10-sulfonic acid;
    Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1R)-;
    (R)-(-)-Camphor-10-sulfonic Acid;
    ((1R,4S)-7,7-Dimethyl-2-oxobicyclo-[2.2.1]heptan-1-yl)methanesulfonic acid;
    ((1R,4S)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid;
    1R-(-)-10-Camphorsulfonic acid;

    CAS No. 35963-20-3
    Molecular Formula C10H16O4S
    Molecular Weight 232.29700
    PSA 79.82000
    LogP 2.35040

    Properties

    Appearance & Physical State White powder.
    Density 1.331g/cm3
    Melting Point 198ºC
    Stability Stable. Hygroscopic. Incompatible with strong bases, strong oxidizing agents.
    Storage Condition 2-8ºC

    Safety Info

    Safety Statements S26; S36/37/39; S45; S24/25; S27
    HS Code 29147090
    Packing Group III
    RIDADR UN 3261 8/PG 2
    Risk Statements R34
    Hazard Codes C

    Synthesis Route

    (1R)-(?)-10-Camphorsulfonic acid ammonium salt→(R)-camphorsulfonic acid
    DL-10-Camphorsulfonic Acid→(R)-camphorsulfonic acid
    (7,7-Dimethyl-2-oxobicyclo[2.2.1]hept-1-yl)methanesulfonic acid→(R)-camphorsulfonic acid

    Precursor

    (1R)-(?)-10-Camphorsulfonic acid ammonium salt
    (7,7-Dimethyl-2-oxobicyclo[2.2.1]hept-1-yl)methanesulfonic acid
    DL-10-Camphorsulfonic Acid
    hydrogen chloride

    Downstream Product

    (+)-10,2-Camphorsultam
    (1R)-(?)-10-Camphorsulfonic acid ammonium salt
    (1R)-(-)-(10-Camphorsulfonyl)Oxaziridine
    (N-Crotonyl)-(2S)-bornane-10,2-sultam

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