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DL-Cystine

Cat. No. M22427
DL-Cystine Structure
Size Price Availability Quantity
1g USD 40  USD40 In stock
5g USD 50  USD50 In stock
25g USD 135  USD135 In stock
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Quality Control & Documentation
Biological Activity

DL-Cystine

Chemical Information
Molecular Weight 240.3
Formula C6H12N2O4S2
CAS Number 923-32-0
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Pierre Burguire, et al. J Bacteriol. Three different systems participate in L-cystine uptake in Bacillus subtilis

[2] E I ANDERSON, et al. J Biol Chem. Incorporation of S35 from DL-cystine into glutathione and protein in the rat

[3] E BALTAZZI, et al. C R Hebd Seances Acad Sci. [Synthesis of dl-cystine]

[4] H R ARNSTEIN. Biochem J. Synthesis of alpha-methyl- and beta-methyl-DL-cystine

[5] J Kunert. Folia Microbiol (Praha). Utilization of L- and DL-cystine by the fungus Microsporum gypseum

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Keywords: DL-Cystine supplier, inhibitors, activators


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