正丁酸,Butyric acid;analytical standard, ≥99.5% (GC)
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油酸乙酯,Ethyl oleate;analytical standard, ≥97.0% (GC)
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L-胱氨酸,L-Cystine;≥98% (TLC), crystalline
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胃蛋白酶来源于猪胃粘膜,Pepsin from porcine gastric mucosa;powder, ≥400 units/mg protein
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磺酰氯,Sulfuryl chloride;97%
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肌红蛋白来源于马骨骼肌,Myoglobin from equine skeletal muscle;95-100%, essentially salt-free, lyophilized powder
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胃蛋白酶来源于猪胃粘膜,Pepsin from porcine gastric mucosa;lyophilized powder, ≥3,200 units/mg protein