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    Merck 102839 L-Cysteine hydrochloride monohydrate

Merck 102839 L-Cysteine hydrochloride monohydrate 25 Gr

Katalog No: 102839.0025

Marka: Merck

2.292,96 ₺
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Merck 102839 L-Cysteine hydrochloride monohydrate for biochemistry

Synonyms: Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate

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Merck 102839 L-Cysteine hydrochloride monohydrate for biochemistry

 

Temel Özellikler Tablosu

CAS #Empirical Formula
7048-04-6C₃H₈ClNO₂S * H₂O

 

Açıklama
Katalog Numarası102839
Eş anlamlıCys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate

 

Ürün Bilgisi
CAS Numarası7048-04-6
EC Numarası200-157-7
Tepe FormülüC₃H₈ClNO₂S * H₂O
Molar Kütle175.64 g/mol
HS Kodu2930 90 16
Structure formula ImageMDA_CHEM_102839
Quality LevelMQ100

 

Fizikokimyasal Bilgiler
Yoğunluk1.54 g/cm3
Erime Noktası64 °C
pH Değeri0.8 - 1.2 (100 g/l, H₂O, 20 °C)
Buhar basıncı<0.1 hPa (20 °C)
Kütle yoğunluğu780 kg/m3
Çözünürlük650 g/l

 

Özellikler
Assay (alkalimetric, calculated on dried substance)98.5 - 101.0 %
Özdeşlik (IR-spectrum)Testi geçer
Özdeşlik (wet chemistry)Testi geçer
Appearancewhite or almost white, crystalline powder or colorless crystals
Appearance of solution (25 g/l, water)clear and not more intense in color than reference solution BY6
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance)+5.5 to +7.0
Sulfate (SO₄)≤ 200 ppm
Heavy metals (as Pb)≤ 10 ppm
Fe (Iron)≤ 10 ppm
Ninhydrin-positive substances (LC) (impurity A (570 nm))≤ 0.5 %
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity)≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities)≤ 1.0 %
Sulfated ash (600 °C)
≤ 0.1 %
Loss on drying (Vacuum < 2,0 kPa, P2O5, 20 h)8.5 - 12.0 %
Residual solvents (ICH Q3C)excluded by manufacturing process
Sulfated ash (600 °C)
≤ 0.1 %
Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h)8.0 - 12.0 %
Bacterial endotoxins≤ 6.0 I.U./g
102839.0025

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