D-Cysteine

ChemicalBook > CAS DataBase List > D-Cysteine

Product Name: D-Cysteine
CAS No.: 921-01-7
Chemical Name: D-Cysteine
Synonyms: H-D-CYS-OH;D-CYS-OH;D-CYSTEINE;D-Cysteine,99%;D-Cysteine (9CI);D-Cysteinefreebase;RARECHEM AB PP 1441;BETA-MERCAPTOALANINE;D-Cysteine, 98%, 98%;D-Cysteine USP/EP/BP
CBNumber: CB4407452
Molecular Formula: C3H7NO2S
Formula Weight: 121.16
MOL File: 921-01-7.mol

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D-Cysteine Property

Melting point:: ~230 °C (dec.)
Boiling point:: 293.9±35.0 °C(Predicted)
Density: 1.334±0.06 g/cm3(Predicted)
storage temp.: Keep in dark place,Inert atmosphere,2-8°C
solubility: Aqueous Acid (Slightly), Water (Slightly)
pka: 2.07±0.10(Predicted)
form: Crystalline Powder
color: White
optical activity: [α]20/D 7.6±1.0°, c = 5% in 5 M HCl
Water Solubility: Soluble in water (partly).
Sensitive: Air Sensitive
BRN: 1721407
Stability:: Stable. Incompatible with strong oxidizing agents.
LogP: 0.230 (est)
CAS DataBase Reference: 921-01-7(CAS DataBase Reference)

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Safety

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-20/21/22-22
Safety Statements: 26-36-37/39-22
WGK Germany: 3
F: 10-23
HS Code: 29309013

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P330Rinse mouth.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 30095
Product name: D-Cysteine
Purity: ≥99% (RT)
Packaging: 100mg
Price: $80.4
Updated: 2024/03/01

Sigma-Aldrich

Product number: 30095
Product name: D-Cysteine
Purity: ≥99% (RT)
Packaging: 1g
Price: $213
Updated: 2024/03/01

Alfa Aesar

Product number: H62627
Product name: D-Cysteine, 98%
Packaging: 1g
Price: $75.3
Updated: 2024/03/01

Alfa Aesar

Product number: H62627
Product name: D-Cysteine, 98%
Packaging: 5g
Price: $280.65
Updated: 2024/03/01

Usbiological

Product number: 237139
Product name: D-Cysteine 99+%
Packaging: 1g
Price: $163
Updated: 2021/12/16

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D-Cysteine Chemical Properties,Usage,Production

Chemical Properties

White crystalline powder

Uses

D-Cysteine has been used in the functionalization of QDs for applications in photocatalysis.
It can also be used in the synthesis of:

cysteine-based chiral carbon dots (CDs)
D-luciferin and aminoluciferin analogs

Definition

ChEBI: An optically active form of cysteine having D-configuration.

Purification Methods

Purify it by recrystallisation from H2O (free from metal ions) and dry it in a vacuum. It is soluble in H2O, EtOH, Me2CO, EtOAc, AcOH, *C6H6 and CS2. Acidic solutions can be stored under N2 for a few days without deterioration. [For synthesis and spectra see Greenstein & Winitz Chemistry of the Amino Acids (J. Wiley) Vol 3 p1879 1961, Beilstein 4 III 1618, 4 IV 3144.]

D-Cysteine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from D-Cysteine manufacturers

Hebei Duling International Trade Co. LTD

Product: D-Cysteine 921-01-7
Price: US $20.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 5000 Ton
Release date: 2023-02-19

WUHAN FORTUNA CHEMICAL CO., LTD

Product: D-Cysteine 921-01-7
Price: US $0.00/Kg/Bag
Min. Order: 100g
Purity: 99.0%min BR
Supply Ability: 10000G
Release date: 2021-08-23

Hebei Mojin Biotechnology Co., Ltd

Product: D-Cysteine 921-01-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-10-16

921-01-7, D-CysteineRelated Search:

β-Alanine D-Cysteine hydrochloride 3-Mercaptopropionic acid N-Acetyl-L-cysteine Mercaptoacetic acid Methyl 3-mercaptopropionate Glycine ISOOCTYL 3-MERCAPTOPROPIONATE 2-Ethylhexyl mercaptoacetate 2-Mercaptopropionic acid Sodium thioglycolate Calcium thioglycolate 6-Mercaptopurine DL-Homocysteine 2-Mercaptoethanol L-CYSTEINE HCL ANHYDROUS CYSTEINE D-Luciferin

D-Cysteine >=99% (RT)

D-Cysteine, 98%, 98%

H-D-CYS-OH

D-CYS-OH

D-CYSTEINE

BETA-MERCAPTOALANINE

(S)-2-AMINO-3-MERCAPTOPROPIONIC ACID

RARECHEM AB PP 1441

D-cysteine free base crystalline

D-Cysteinefreebase

(2S)-2-amino-3-sulfanyl-propanoic acid

D-Cysteine (9CI)

H-D-Cys-OH (D-Cysteine)

(S)-2-Amino-3-mercaptopropanoic acid

D-Cysteine,99%

(2S)-2-amino-3-mercapto-propionic acid

(2S)-2-azanyl-3-sulfanyl-propanoic acid

D-Cysteine,(S)-2-Amino-3-mercaptopropionic acid

D-Cysteine USP/EP/BP

D-Cysteine (base) extrapure, 99%

Prinomastat Impurity 6

921-01-7

Amino Acid Derivatives

Cysteine/Cystine

Specialty Synthesis

Peptide Synthesis

Amino Acids