USD $10.00-90.00 / Kilogram
USD $1.00-10.00 / Kilogram
iso9001 certified manufacturer
quality: adopting fermentation technology to assure the high quality. no-animal raw material
price: offering the best price during the suppliers in china.
rich material and energe make us control the cost effectively
service: reponse inquiry in 24 hours. fast delivery
certificates:we can offer all kinds of certificates that you need for importing. such as: iso9001, gmp,kosher ,halal etc
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 |
risk statements | 36/37/38 |
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 |