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A2322812

L-Cystine , Super pure level, 99.5% , 56-89-3

Synonym(s):
Cys;L-Cystine;L-Cystine - CAS 56-89-3 - Calbiochem;Nephrin;NPHN

CAS NO.:56-89-3

Empirical Formula: C6H12N2O4S2

Molecular Weight: 240.3

MDL number: MFCD00064228

EINECS: 200-296-3

Pack Size Price Stock Quantity
25G RMB51.20 In Stock
100G RMB166.40 In Stock
500G RMB438.40 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: >240 °C (dec.) (lit.)
Boiling point: 468.2±45.0 °C(Predicted)
alpha  -224 º(c=2 in 1M HCl)
Density  1.68
refractive index  -222.5 ° (C=1, 1mol/L HCl)
storage temp.  2-8°C
solubility  1 M HCl: 100 mg/mL
form  Powder/Solid
pka 1.0, 2.1, 8.02, 8.71(at 25℃)
color  White
PH 4.60
optical activity [α]20/D 219±5°, c = 1% in 1 M HCl
Water Solubility  0.112 g/L (25 ºC)
Merck  14,2782
BRN  1728094
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey LEVWYRKDKASIDU-IMJSIDKUSA-N
LogP 0.773 (est)

Description and Uses

L-Cystine is a non-essential amino acid for human development. L-Cystine is formed by the dimerization of two cysteines through the sulfur.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P271-P280
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-22
Safety Statements  26-36-24/25
RIDADR  2811
WGK Germany  3
RTECS  HA2690000
Hazard Note  Irritant
TSCA  Yes
PackingGroup  III
HS Code  29309014

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