NIST Tracable Size Standards Cat. No. PSN6u-2 6 um 5 mL修饰性聚乙二醇 上海金畔生物科技有限公司提供各种分子量和基团修饰性聚乙二醇定制服务。 NIST Tracable Size Standards Cat. No. PSN6u-2 Specification 6 um Unit Size 5 mL Price $485.00 Qty Add to Cart