MERCK 102839 L-Cysteine hydrochloride monohydrate for biochemistry

MERCK 102839 L-Cysteine hydrochloride monohydrate for biochemistry

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Stok Kodu
102839.0025
Kategori
Kimyasallar
Marka
Merck Millipore
Havale
1.714,77 TL (%5,00 havale indirimi)
* 192,63 TL den başlayan taksitlerle!!
1.805,02 TL KDV DAHİL
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Ürün Bilgisi
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Ürün Bilgisi
Description
Catalogue Number 102839
Synonyms Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate
Product Information
CAS number 7048-04-6
EC number 200-157-7
Hill Formula C₃H₈ClNO₂S * H₂O
Molar Mass 175.64 g/mol
HS Code 2930 90 16
Structure formula Image
Physicochemical Information
Melting Point 168 - 170 °C
pH value 0.8 - 1.2 (100 g/l, H₂O, 20 °C)
Bulk density 780 kg/m3
Solubility 650 g/l
Safety Information according to GHS
RTECS HA2285000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Storage and Shipping Information
Storage Store below +30°C.
Specifications
Assay (iodometric, calc. on dried substance) 98.5 - 101.0 %
Identity (IR-spectrum) passes test
Identity (Chloride) passes test
Appearance white 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
Spec. rotation (α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance) +5.7 to +6.8
Sulphate (SO₄) ≤ 300 ppm
Heavy metals (as Pb) ≤ 10 ppm
Fe (Iron) ≤ 20 ppm
Related Compounds, total (TLC) ≤ 0.5 %
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 %
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
Taksit Seçenekleri
Önerileriniz
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MERCK 102839 L-Cysteine hydrochloride monohydrate for biochemistry

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