L-Cystine 56-89-3 CAS NO.56-89-3

Min.Order Quantity:: 1 Kilogram

Purity:: 99% min

Port:: Any port of China

Payment Terms:: L/C,T/T,

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Product Details

Keywords

56-89-3
L-Cystine
C6H12N2O4S2

Quick Details

ProName: L-Cystine 56-89-3
CasNo: 56-89-3
Molecular Formula: C6H12N2O4S2
Appearance: white powder
Application: industry use
DeliveryTime: with 10 days after order confirmed
PackAge: according to the demand of cusotmer
Port: Any port of China
ProductionCapacity: 1 Metric Ton/Day
Purity: 99% min
Storage: room temperature
Transportation: by air
LimitNum: 1 Kilogram
Grade: Industrial Grade,Food Grade,Pharma Gra...

Superiority

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1.noble metal catalysts (pt.pd...)

2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)

3.oled intermediates (fluorene,carbazole,boric acid...)

4.customs synthesis

our advantage:

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Details

l-cystine basic information

product name:	l-cystine
synonyms:	(r-(r,r))-3,3’-dithiobis(2-aminopropanoicacid);1-cystine;3,3’-dithiobis(2-amino-,(r-(r,r))-propanoicaci;3,3’-dithiobis(2-aminopropanoicacid);3,3’-dithiobis-l-alanin;3,3'-dithiobis(2-aminopropanoic acid);3,3'-dithiodialanine;alanine, 3,3'-dithiobis-
cas:	56-89-3
mf:	c6h12n2o4s2
mw:	240.3
einecs:	200-296-3
product categories:	food and feed additive;amino acids;amino acid derivatives;cysteine [cys, c];nutritional supplements;l-amino acids;amino acids;amino
mol file:	56-89-3.mol

l-cystine chemical properties

mp	>240 °c (dec.)(lit.)
alpha	-224 º(c=2 in 1m hcl)
density	1.68
refractive index	-222.5 ° (c=1, 1mol/l hcl)
storage temp.	store at rt.
solubility	1 m hcl: 100 mg/ml
water solubility	0.112 g/l (25 ºc)
merck	14,2782
brn	1728094
stability:	stable. incompatible with strong oxidizing agents.
cas database reference	56-89-3(cas database reference)
nist chemistry reference	l-cystine(56-89-3)
epa substance registry system	l-cystine(56-89-3)

safety information

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
packinggroup	iii
hs code	29309014

msds information

provider	language
2-amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid	english
acros	english
sigmaaldrich	english
alfa	english

l-cystine usage and synthesis

chemical properties	white crystalline powder
usage	l-cystine is a non-essential amino acid for human development. l-cystine is formed by the dimerization of two cysteines through the sulfur.

l-cystine preparation products and raw materials

raw materials	sodium hydroxide-->hydrochloric acid-->activated carbon-->activated carbon,decolor-->α-protein-->ethylenediaminetetraacetic acid-->l(+)-arginine-->l-histidine-->boc-d-tyrosine-->dl-serine-->terylene-->n-carbobenzoxy-dl-leucine-->silk-->keratin
preparation products	cilastatin-->l-cysteine-->l-cysteine hydrochloride anhydrous-->l-cysteine hydrochloride monohydrate-->dl-cystine