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ChemicalBook >> CAS DataBase List >> DL-Cystine

DL-Cystine

DL-Cystine price.
  • $12 - $1973
  • Product name: DL-Cystine
  • CAS: 923-32-0
  • MF: C6H12N2O4S2
  • MW: 240.3
  • EINECS:213-094-5
  • MDL Number:MFCD00084652
  • Synonyms:H-DL-(Cys)2-OH~(+/-)-3,3'-Dithiobis(2-aminopropionicacid);DL-Cysteine-15N;2-Amino-3-(2-amino-3-hydroxy-3-oxopropyl)disulfanylpropanoic acid;(±)-2,2'-Diamino-3,3'-dithiodipropionic acid;DL-Cystine,99%;CYSTINE (DL AND MESO- MIXTURE);Cystine (R,S)-3,3'-Dithio-bis(2-aminopropionic acid)
33 prices
Selected condition：
Brand
  • Acrotein
  • Activate Scientific
  • AK Scientific
  • Alfa Aesar
  • Ambeed
  • American Custom Chemicals Corporation
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 1g
  • 5g
  • 10g
  • 25g
  • 100g
  • 250g
  • 500g
  • 1kg
  • ManufacturerAcrotein
  • Product numberNA-0083
  • Product descriptionDL-Cystine 97%
  • Packaging250g
  • Price$418
  • Updated2021-12-16
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS90222
  • Product descriptionDL-Cystine 97+%
  • Packaging100g
  • Price$307
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberK684
  • Product descriptionDL-Cystine
  • Packaging1kg
  • Price$1973
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ63564
  • Product descriptionDL-Cystine
  • Packaging5g
  • Price$55.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ63564
  • Product descriptionDL-Cystine
  • Packaging25g
  • Price$159.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ63564
  • Product descriptionDL-Cystine
  • Packaging100g
  • Price$474.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAmbeed
  • Product numberA471772
  • Product descriptionDL-Cystine 98%
  • Packaging1g
  • Price$12
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA471772
  • Product descriptionDL-Cystine 98%
  • Packaging5g
  • Price$25
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA471772
  • Product descriptionDL-Cystine 98%
  • Packaging25g
  • Price$84
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA471772
  • Product descriptionDL-Cystine 98%
  • Packaging100g
  • Price$320
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAAA0001088
  • Product descriptionDL-CYSTINE 95.00%
  • Packaging5G
  • Price$179.55
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM308379
  • Product description3,3''-Disulfanediylbis(2-aminopropanoicacid) 97%
  • Packaging500g
  • Price$658
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number11746
  • Product descriptionDL-Cystine,99%(TLC) 99%(TLC)
  • Packaging5G
  • Price$16.8
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number11746
  • Product descriptionDL-Cystine,≥99%(TLC) ≥99%(TLC)
  • Packaging25G
  • Price$58.24
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number11746
  • Product descriptionDL-Cystine,≥99%(TLC) ≥99%(TLC)
  • Packaging100G
  • Price$174.72
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number11746
  • Product descriptionDL-Cystine,99%(TLC) 99%(TLC)
  • Packaging250G
  • Price$408.8
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Acrotein NA-0083 DL-Cystine 97% 250g $418 2021-12-16 Buy
Activate Scientific AS90222 DL-Cystine 97+% 100g $307 2021-12-16 Buy
AK Scientific K684 DL-Cystine 1kg $1973 2021-12-16 Buy
Alfa Aesar J63564 DL-Cystine 5g $55.65 2024-03-01 Buy
Alfa Aesar J63564 DL-Cystine 25g $159.65 2024-03-01 Buy
Alfa Aesar J63564 DL-Cystine 100g $474.65 2024-03-01 Buy
Ambeed A471772 DL-Cystine 98% 1g $12 2021-12-16 Buy
Ambeed A471772 DL-Cystine 98% 5g $25 2021-12-16 Buy
Ambeed A471772 DL-Cystine 98% 25g $84 2021-12-16 Buy
Ambeed A471772 DL-Cystine 98% 100g $320 2021-12-16 Buy
American Custom Chemicals Corporation AAA0001088 DL-CYSTINE 95.00% 5G $179.55 2021-12-16 Buy
Chemenu CM308379 3,3''-Disulfanediylbis(2-aminopropanoicacid) 97% 500g $658 2021-12-16 Buy
Chem-Impex 11746 DL-Cystine,99%(TLC) 99%(TLC) 5G $16.8 2021-12-16 Buy
Chem-Impex 11746 DL-Cystine,≥99%(TLC) ≥99%(TLC) 25G $58.24 2021-12-16 Buy
Chem-Impex 11746 DL-Cystine,≥99%(TLC) ≥99%(TLC) 100G $174.72 2021-12-16 Buy
Chem-Impex 11746 DL-Cystine,99%(TLC) 99%(TLC) 250G $408.8 2021-12-16 Buy

Properties

Melting point :227 °C (dec.)(lit.)
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 :1 M HCl: soluble
form :Powder
pka :2.1(at 35℃)
color :White
Water Solubility :Soluble in dilute acid and alkali solution, highly soluble in water, not soluble in alcohol.
Merck :14,2782
BRN :1728095
LogP :-4.340 (est)
CAS DataBase Reference :923-32-0(CAS DataBase Reference)
NIST Chemistry Reference :Dl-cystine(923-32-0)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P330 Rinse mouth.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.

Description

DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants.

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