30199
Fluka

L-Cystine

BioUltra, ≥99.5% (T)

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Synonym

(R,R)-3,3'-Dithiobis(2-aminopropionicacid)

Molecular Formula

[-SCH₂CH(NH₂)CO₂H]₂

Molecular Weight

240.30

CAS Number

56-89-3

Beilstein Registry Number

1728094

MDL number

MFCD00064228

PubChem Substance ID

24858224

EG/EC Number

200-296-3

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Descriptions

Other Notes

Certain malignant cell lines require cystine or cysteine in the culture medium¹; Growth requirement of various microorganisms²

Properties

product line

BioUltra

assay

≥99.5% (T)

optical activity

[α]20/D −219±5°, c = 1% in 1 M HCl

total impurities

insoluble matter, passes filter test

≤0.3% foreign amino acids

ign. residue

≤0.05% (as SO₄)

loss

≤0.05% loss on drying, 20 °C (HV)

>240 °C (dec.)(lit.)

solubility

1 M HCl: 0.2 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤500 mg/kg

sulfate (SO₄^2-): ≤100 mg/kg

cation traces

Al: ≤5 mg/kg

As: ≤0.1 mg/kg

Ba: ≤5 mg/kg

Bi: ≤5 mg/kg

Ca: ≤10 mg/kg

Cd: ≤5 mg/kg

Co: ≤5 mg/kg

Cr: ≤5 mg/kg

Cu: ≤5 mg/kg

Fe: ≤10 mg/kg

K: ≤50 mg/kg

Li: ≤5 mg/kg

Mg: ≤5 mg/kg

Mn: ≤5 mg/kg

Mo: ≤5 mg/kg

Na: ≤50 mg/kg

Ni: ≤5 mg/kg

Pb: ≤5 mg/kg

Sr: ≤5 mg/kg

Zn: ≤5 mg/kg

abs.

absorption0.2M/316 nm, 1 M HCl cut-off

References

Cited Reference

1. J.R. Uren, H. Lazarus Cancer Treat. Rep. 63, 1073, (1979) abstract

2. CRC Handbook of Microbiology Cleveland, Ohio , (1974) 4, 1

Merck

Merck 13,2811

Beilstein

Beil. 4,IV,3155

reference

FT-IR 2 (1), 942:C / FT-IR 1 (1), 596:B / IR-Spectra (3), 354:G / IR-Spectra (2), 314:H / NMR-Reference 2 (1), 503:A / RegBook 1 (1), 675:H / Sigma FT-IR 1 (1), 123:C / Structure Index 1, 102:A:2

Safety

WGK Germany

RTECS

HA2690000

Related Categories

... Amino Acids and Peptides > Amino Acids

... Biochemicals Found in Plants > Amino acids

... Amino Acids and Peptides > BioUltra

FT-IR Condensed Phase

FT-IR Raman

MSDS

Certificate of Analysis

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