ChemicalBook > CAS DataBase List > D-Cystine

D-Cystine

Product Name
D-Cystine
CAS No.
349-46-2
Chemical Name
D-Cystine
Synonyms
(S)-Cystine;Cystine D-form;D-CYSTINE;H-D-CYSTINE;D(+)-CYSTINE;D-Cystine99%;D-Cystine-OH;(H-D-CYS-OH)2;D-Cystine,98%;D-Cystine 98%
CBNumber
CB1219137
Molecular Formula
C6H12N2O4S2
Formula Weight
240.3
MOL File
349-46-2.mol
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D-Cystine Property

Melting point:
265 °C (dec.) (lit.)
alpha 
214 º (c=1, 1 N HCl)
Boiling point:
468.2±45.0 °C(Predicted)
Density 
1.358 (estimate)
refractive index 
1.6000 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
Aqueous Acid (Slightly), Aqueous Base (Slightly)
form 
Fine Crystalline Powder
pka
1.70±0.10(Predicted)
color 
White
optical activity
[α]20/D +212°, c = 1 in 1 M HCl
Water Solubility 
0.057 g/L (25 ºC)
Merck 
14,2782
BRN 
1728093
InChIKey
LEVWYRKDKASIDU-QWWZWVQMSA-N
LogP
1.230 (est)
CAS DataBase Reference
349-46-2(CAS DataBase Reference)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
36/37/38-22
Safety Statements 
22-24/25-37/39-26-36
WGK Germany 
3
HS Code 
29309013
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
285463
Product name
D-Cystine
Purity
98%
Packaging
1g
Price
$119
Updated
2024/03/01
Alfa Aesar
Product number
L13772
Product name
D-Cystine, 98%
Packaging
1g
Price
$89.65
Updated
2024/03/01
Alfa Aesar
Product number
L13772
Product name
D-Cystine, 98%
Packaging
5g
Price
$303.65
Updated
2024/03/01
Usbiological
Product number
237141
Product name
D-Cystine 99+%
Packaging
1g
Price
$193
Updated
2021/12/16
TRC
Product number
C997865
Product name
D-Cystine
Packaging
500mg
Price
$75
Updated
2021/12/16
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D-Cystine Chemical Properties,Usage,Production

Description

D-cystine is a thiol-containing non-essential amino acid that is oxidized to form CYSTINE.

Chemical Properties

White crystals

Uses

D-Cystine increases the rate of fertilization of mouse oocytes.

Definition

ChEBI: The D-enantiomer of cystine.

Biological Functions

D-Cystine functions as an antioxidant and protects tissues against radiation and pollution, slowing the aging process. It also aids protein synthesis. Cystine is abundant in many proteins of skeletal tissues and skin, and found in insulin and digestive enzymes chromotrypsinogen A, papain, and trypsinogen.

D-Cystine Preparation Products And Raw materials

Raw materials

Preparation Products

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D-Cystine Suppliers

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View Lastest Price from D-Cystine manufacturers

Hebei Duling International Trade Co. LTD
Product
D-Cystine 349-46-2
Price
US $20.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000 Ton
Release date
2023-03-14
WUHAN FORTUNA CHEMICAL CO., LTD
Product
D-Cystine 349-46-2
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-01
Shanghai Xinchem Co., Ltd.
Product
D-Cystine 349-46-2
Price
US $0.00-0.00/drums
Min. Order
1drums
Purity
99%min.
Supply Ability
10tons
Release date
2023-10-22

349-46-2, D-CystineRelated Search:

Citric acid N-Acetyl-L-cysteine Folic acid L-Cysteine Cyproterone acetate DL-Homocysteine Ethyl 2-(Chlorosulfonyl)acetate D(-)-Glutamic acid D-Prolinamide D-Glutamic Acid diethyl ester hydrochloride Ascoric Acid DL-CYSTINE CRYSTALLINE,DL-CYSTINE, MESOFREE L-CYSTINE FREE BASE BIOTECHNOLOGY*PERFOR,L-CYSTINE, REAGENT GRADE, SIGMA GRADE,L(-)-CYSTINE BIOSYNTH,L-Cystine,99%,L-CYSTINE, REAG.,L-CYSTINE,FCC ETHYL PROPYL DISULFIDE 3-[(2-AMINOETHYL)DITHIO]PROPIONIC ACID Methyl propyl disulfide Diethyl disulfide Dimethyl disulfide

  • D(+)-3,3'-DITHIOBIS(2-AMINOPROPANOIC ACID)
  • D(+)-CYSTINE
  • D-CYSTINE
  • (H-D-CYS-OH)2
  • H-D-CYSTINE
  • (S,S)-3,3'-DITHIOBIS(2-AMINOPROPIONIC ACID)
  • H-D-(Cys)_2-OH~(+)-3,3-Dithiobis(2-aminopropionic acid)
  • D-CYSTINE CRYSTALLINE
  • H-D-(Cys)_2-OH
  • D-Cystine,(S,S)-3,3′-Dithiobis(2-aminopropionic acid)
  • (2S)-2-Amino-3-[(2S)-2-amino-3-hydroxy-3-oxopropyl]disulfanylpropanoic acid
  • (S)-Cystine
  • D-Cystine,98%
  • D-Cystine 98%
  • (2S)-2-amino-3-{[(2S)-2-amino-2-carboxyethyl]disulfanyl}propanoic acid
  • (2S)-2-ammonio-3-[[(2S)-2-ammonio-2-carboxylatoethyl]disulfanyl]propanoate
  • 2-Amino-3-(((S)-2-amino-2-carboxyethyl)disulfanyl)propanoicacid
  • D-Cystine, free base
  • D-Cystine99%
  • (S,S)-3,3′-Dithiobis(2-aminopropionic acid) H-D-(Cys)_2-OH D(+)-3,3'-Dithiobis(2-aminopropanoic acid)
  • (2S,2'S)-3,3'-disulfanediylbis(2-aminopropanoic acid)
  • Tyrosine Impurity 3（Tyrosine EP Impurity C）(D-Cystine)
  • D-Cystine USP/EP/BP
  • D-Cystine(H-D-Cys-OH)2
  • Cystine D-form
  • D-Cystine-OH
  • 349-46-2
  • 156-2-39
  • C6H12N2O4S2
  • Amino Acid Derivatives
  • Cysteine/Cystine
  • Peptide Synthesis
  • Specialty Synthesis
  • Amino Acids
  • API