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L(+)-Cystein, HCl monohydrat 98.5-101.0% for biochemistry
L(+)-Cystein, HCl monohydrat 98.5-101.0% for biochemistry
Katalog # 23257.183
Leverandør:  VWR Chemicals
CAS nummer:  
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L(+)-Cystein, HCl monohydrat 98.5-101.0% for biochemistry
Katalog # 23257.183
Leverandør:  VWR Chemicals
CAS nummer:  

Specifikationer

  • Pakning:
    Plastic bottle for solids
  • Pakn:
    100 g
  • Seq:
    3401
  • Environmentally Preferable:

Specifikationer

Specifikationstestresultater

  • Assay (on anhydrous substance):
    98.5 - 101.0 %
  • Identification:
    Passes test
  • Spec.opt.rot.(80 g/l;HCl 250 g/l; dried):
    5.5 - 7.0 °
  • Heavy metals (as Pb):
    ≤ 10 ppm
  • Loss on drying (Vacuum<0.7 kPa, 24 h):
    8.0 - 12.0 %
  • SO₄ (Sulphate):
    ≤ 300 ppm
  • Ninhydrin-positive substances (LC)::
    Max. 0.02 %
  • Ammonium (570 nm):
    ≤ 0.02 %
  • Any impurity:
    ≤ 0.2 %
  • Impurity A (570 nm):
    ≤ 0.5 %
  • Total impurities:
    ≤ 1.0 %

Specifikationstestresultater

Om denne vare

Synonymer: (R)-(+)-Cysteine hydrochloride monohydrate, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate, L-Cysteine HCI Monohydrate, H-Cys-OH.HCl.H2O, Cysteine Hydrochloride, Monohydrate, Cysteine Hydrochloride monohydrate
 :
 :175.64 g/mol
Merck Index:13,02810
Smeltende Pt:168…170 °C
Opbevaringstemperatur:Stue temperatur
EINECS:200-157-7
CAS nummer:7048-04-6
Formel:HSCH₂CH(NH₂)COOH·HCl·H₂O
MDL nummer:MFCD00065606