L-Cystine Dihydrochloride CAS 30925-07-6

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C9055 L-Cystine Dihydrochloride (non-animal) CAS: 30925-07-6

Specifications

References

CAS Number

30925-07-6

Grade

Cell Culture Grade

MDL Number

MFCD00070399

Molecular Formula

C6H12N2O4S2•2HCl

Molecular Weight

313.22

EU Commodity Code

38220090

Shipping Temp

Storage Temp

4°C

(H-Cys-OH)2.2HCl

Non-animal sourced L-cystine is used as a cell culture media component for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies.

Synonyms

(H-Cys-OH)2.2HCl

CAS No

30925-07-6

Molecular Formula

C6H12N2O4S2•2HCl

Molecular Weight

313.22

Appearance

White to pale yellow powder

Purity

≥98%

Solubility (0.5g/10ml 2M HCl)

Colorless, clear, complete

Specific Rotation (C=2, 1M HCl)

-164 to -174º

Loss on Drying

≤1.0%

Residue On Ignition

≤0.1%

Iron

≤0.003%

Chloride

22.18-23.09%

Sulfate

≤0.030%

Ammonium

≤0.03%

Heavy Metals (as Pb)

≤0.001%

Storage and Stability

Store at 4ºC. Stable for 12 months after receipt.

Meets or exceeds USP specifications

References

Yukio Kurita.; Walter Gordy. Electron Spin Resonance in a Gamma-Irradiated Single Crystal of L-Cystine Dihydrochloride.J. Chem. Phys. 1961, 34 (1), 282.|Kazuyuki Akasaka.; Shun-ichi Ohnishi.; Tokuo Suita. ;Isamu Nitta. ESR Study of a Single Crystal of L-Cystine Dihydrochloride Irradiated at Low Temperature.J. Chem. Phys. 1964, 40, (40), 3110.