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H7000 L-Homocystine, 99% CAS: 626-72-2

Specifications
CAS Number
626-72-2
Grade
Highly Purified
Molecular Formula
C8H16N2O4S2
Molecular Weight
268.3
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
4°C
H-Homocystine-(OH)2; L-4-4’-Dithiobis(2-aminobutanoic acid)

Solubility (10mg/ml, 2N NH4)
Colorless, clear, complete
Specific Rotation (α)D24, 1% HCl)
+74° to +76°
Enantiomer Content
Identity (TLC)
methanol/chloroform/ammonia 17%: 2/2/1 (v/v/v) isopropanol/ammonia conc. 1/1 (v/v) n-butanol/acetic acid/H2O 4/2/3 (v/v/v) detected by UV, ninhydrin, chlorine-tolidine plate: silicagel 60 F254
Contaminant
≥99% L-homo-Cystine ≤0.2% D-enantiomer ≤0.2%meso-homo-Cystine
Water Content (KF)
~0.1%
Elemental Analysis
99.8% (Nth 10.44%, Nfd 10.42%)
Storage and Stability
May be stored at 4°C. Stable for 6 months. Moisture sensitive.
Purity
~90% (TLC)
Form
Supplied as a white powder.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
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