3-(环己氨)-2-羟基丙磺酸（CAPSO），CAS：73463-39-5是一种常用的生物缓冲剂，如用于硝酸纤维素膜的蛋白印迹等。
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Purity
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>99.0%
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pH (1% aq.)
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5.0~6.5
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Loss on drying
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≤1.0%
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UV absorbance/260nm
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≤0.040
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UV absorbance/280nm
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≤0.030
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Appearance
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White powder
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