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L-Cystine

Name: L-Cystine
Brand: MM

别名:

L-Cystine, (Cys)₂

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关于此项目

经验公式（希尔记法）:

C₆H₁₂N₂O₄S₂

化学文摘社编号:

56-89-3

分子量:

240.30

UNSPSC Code:

12352209

NACRES:

NA.25

MDL number:

MFCD00064228

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属性

assay

≥98% (Macro-Kjeldahl method)

Quality Level

100

form

crystalline powder, crystals

optical activity

[α]20/D -218 to -224°, c = 2 in 1 M HCl

manufacturer/tradename

Calbiochem^®

storage condition

OK to freeze

color

white

anion traces

chloride (Cl^-): ≤0.02%, sulfate (SO₄^2-): ≤0.02%

cation traces

As: ≤1 ppm, NH₄⁺: ≤0.02%, heavy metals: ≤10 ppm

shipped in

ambient

storage temp.

15-25°C

SMILES string

S(SC[C@H]([N+H3])C(=O)[O-])C[C@H]([N+H3])C(=O)[O-]

InChI

1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1

InChI key

LEVWYRKDKASIDU-IMJSIDKUSA-N

说明

General description

Non-essential amino acid for human development. Has an optimal pH of 5.0-6.5.

Preparation Note

Solubility may be enhanced by lowering the pH to <2.0 or raising the pH to >8.0.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c