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Specifications

Catalog #	P4200
PIPES is a biological buffer (zwitterionic) designed by Good, et al., and typically referred to as Good’s buffer useful in cell culture media formulations. Selection of biological buffer systems should include the following criteria	exclusion by biological membranes, low absorption between 240-700nm, chemically stable, and stable to temperature and concentration changes.
CAS Number	5625-37-6
Molecular Formula	C8H18N2O6S2
Molecular Weight	302.4
Purity	99%
Appearance	White powder
Solubility	Colorless, clear, complete
Water (KF)	0.5%
Absorbance (A280)	0.1
Absorbance (A260)	0.1
DNase	None Detected
RNase	None Detected
Protease	None Detected
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names	Piperazine-N,N?-bis(2-ethane sulfonic acid)