Ordreindtastning
Denmark
Orders LinkContactUsLinkComponent
 

L(+)-Cystein 98+%

CertifikaterSDS
Irriterende
Leverandør:   Thermo Fisher Scientific
L(+)-Cystein 98+%
Leverandør:  Thermo Fisher Scientific
CertifikaterL(+)-Cystein 98+%

4 tilgængelige muligheder nedenfor

Product Details & Documents
Synonymer:  H-Cys-OH, L-(+)-Cysteine, (R)-2-Amino-3-mercaptopropanoic acid
  • CAS nummer:52-90-4
  • Formel:HSCH₂CH(NH₂)CO₂H
  • MDL nummer:MFCD00064306
  • Molecular Weight:121.16 g/mol
  • Merck Index:13,02810
  • Kogende Pt:254 °C (1013 hPa)
  • Smeltende Pt:220 °C (dec.)
  • Tæthed:1,523 g/cm³ (20 °C)
  • Opbevaringstemperatur:Køleskab
  • EINECS:200-158-2

 

Certifikater
Søg efter partinummer
Specifications for Product Family

Specifikationstestresultater

  • Appearance:
    White to almost white Powder or crystals
  • Infrared spectrum:
    Conforms
  • Loss on drying:
    ≤0.5 % (105°C, 3 hrs)
  • Solubility:
    (2.5 % in water) Clear colorless
  • Residue after ignition:
    ≤0.1 %
  • pH:
    4.5 to 5.5 (2.5 % in water)
  • Specific optical rotation:
    +7.5° to +9.5° (20°C, 589 nm) (c=8, 5N HCl)
  • Titration with HClO4:
    98.0 to 102.0 %
  • Chloride (Cl):
    ≤0.05 %
  • Sulfate (SO4):
    ≤0.03 %
  • Ammonium (NH4):
    ≤0.02 %
  • Iron (Fe):
    ≤10 ppm
  • Heavy metals (as Pb):
    ≤10 ppm
Product Family Options

Produktinformation

   
Acetonitril, anhydrous (max. 0.003% H₂O) ≥99.95%, HiPerSolv CHROMANORM® Reag. USP, Reag. Ph. Eur., ACS, super gradient grade suitable for UPLC/UHPLC instruments

  #: 83639.320

Leverandør: VWR Chemicals

Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC

  #: 20864.320

Leverandør: VWR Chemicals

VWR®, Transfer Pipettes, High Performance

  #: 612-1681

Leverandør: VWR Collection

Acetone ≥99%, TECHNICAL

  #: 20063.365

Leverandør: VWR Chemicals

VWR®, Nitril handsker, NITRILE

  #: 112-2371

Leverandør: VWR Collection

VWR®, Serologiske pipetter, Standard type

  #: 612-3700

Leverandør: VWR Collection

VWR®, Ansigtsservietter

  #: 115-0600

Leverandør: VWR Collection

Acetonitril ≥99.9%, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

  #: 83640.320

Leverandør: VWR Chemicals

Handsker, nitril, Kimtech™ Purple Nitrile™

  #: 112-4847

Leverandør: Ansell

Acetonitril ≥99.9%, LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®

  #: 1.00030.2500

Leverandør: Merck

pH-teststrimler, MQuant®, Supelco®

  #: 1.09535.0001

Leverandør: Merck

Sealing film for manual application, Parafilm® M

  #: 291-0057

Leverandør: HEATHROW

VWR® NITRILE LIGHT, Nitrile Gloves

  #: 112-2754

Leverandør: VWR Collection

Vand, HiPerSolv CHROMANORM® for HPLC

  #: 23595.328

Leverandør: VWR Chemicals

Natriumhydroxid 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur. volumetric solution

  #: 31770.294

Leverandør: VWR Chemicals

VWR® AVS TITRINORM, bufferopløsninger, 20 °C

  #: 32096.291

Leverandør: VWR Chemicals

Vand, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

  #: 83645.320

Leverandør: VWR Chemicals

VWR® Nitrile Extra Light, Nitrile Gloves

  #: 112-4195

Leverandør: VWR Collection

Buffer solutions, ready to use, referenced at 20 °C, Certipur®, Supelco®

  #: 1.09439.1000

Leverandør: Merck

epT.I.P.S.® Bulk - Pipette Tips

  #: 613-3508

Leverandør: EPPENDORF