全部 98% 97% 99% >98.0%(GC) >98.0%(HPLC) 90% 95% >98.0% ≥98.0% ≥97.0% ≥95% ≥99.0% ≥98% >97.0%(GC) 96% ≥90% ≥99% >98.0%(T) >98.0%(GC)(T) >98.0%(HPLC)(T) 98.0% ≥95.0% ≥97% >95.0%(GC) 85% ≥99.5% >97.0% 80% >96.0%(GC) >97.0%(HPLC) >97.0%(T) ≥96.0% ≥96% >98.0%(HPLC)(N) 94% >97.0%(GC)(T) >99.0%(GC) ≥85% >95.0%(T) >96.0%(HPLC) 70% ~85% ~90% ≥98.0%(HPLC) >95.0%(HPLC)(T) >97.0%(HPLC)(T) >98.0%(N) 92% 98.0 % ≥90.0% ≥98.5% 分析标准品 >95% >96.0% Vetec >96.0%(T) >97% >98% AR ≥98.0%(GC) >90.0%(HPLC) >90.0%(T) >95.0%(HPLC) >95.0% >97.0%(N) >99.0%(T) 75% 93% 95.0% 97.0% ~70% ~80% ≥80% ≥94% ≥97.0%(GC) ≥97.5% >80.0%(T) >85.0%(GC) >93.0%(GC) >95.0%(N) >96% >99% >99.0% 70 wt. % 89% 97％ 98%(GC) 98.0-100.3% 98.5% 99.0-100.3% 99.0-100.5% 99.8% AR,98% AR,99% CP,98% ~60% ≥87% ≥92% ≥96.5% ≥98%(GC) ≥98%(HPLC) ≥98.0 % ≥98.0% (GC) ≥99.8% ≥99.9% 分析标准品,98% >70.0%(HPLC) >75.0%(GC) >80.0%(HPLC) >85% >85.0%(N) >88.0%(GC) >90%(HPLC)（混旋） >90% >90.0%(GC) >92.0%(T) >94.0%(GC) >94.0% >95.0%(GC)(T) >96.0%(GC)(T) >97.0%(HPLC)(N) >97.0%(HPLC） >98.0%(GC)(N) >98.0%(HPLC） >98.0%(N)(T) >98.0%(T)(HPLC) >98.0 >99.0% (HPLC) >99.0%(HPLC)(T) >99.0%(HPLC) 1 mg/mL in methanol,99 atom % D 1.00×10-6g/mL，in Perchloric acid aqueous solution 1.00×10-9g/mL，in Perchloric acid aqueous solution 100 ng/μL in acetonitrile 100 ng/μL in methanol 37 wt. % 4.0-5.0% 4.5-6% 40%水溶液 40 wt. % 40-60% 50% 50%水溶液 58-74% 60% 75-80% 79.0-83.0% 95% Isotopic Purity >98% 95%,含200 ppm monomethyl ether hydroquinone稳定剂 95%，含K2CO3稳定剂 95.0 % 97%(GC) 97%,含碳酸钾稳定剂 97%,含铜屑稳定剂 97%,含铜稳定剂 97%,异构体混合物 97.5% 98 atom % D 98% Isotopic purity 99% 98%, 异构体混合物 98%,含500 ppm BHT稳定剂 98+% 98.0%(HPLC) 98.0-101.0% 98.5-100.3% 98.5-100.5% 99%, for protein sequencing 99%,含150-400 ppm BHT 稳定剂 99%,用于荧光分析 99%,闪烁级 99%，含100ppm NaOH 稳定剂 99.0% 99.0-101.0% (T) 99.5%(GC) 99.5%,用于糠醛衍生物的比色分析及氰化物测定 99.5% 99.999% A solution in acetonitrile ACS, 99% ACS, ≥99.0% AR,>98.0%(HPLC) AR,95% BioReagent, for silylations, LiChropur BioXtra CP,97% CP,98%,含0.025% BHT 稳定剂 CP,≥98% Isotopic purity: 98% Mixture of Diastereomers Standard for GC,≥99.5%(GC) a solution in ethanol,≥98% analytical standard,100?g/ml in acetone analytical standard,10?g/ml in acetone contains 0.3% contains ≤1% crystalline for HPLC,≥99.8% for fluorescence,≥98.0% meets USP/NF testing specifications pyridine ~30 % reagent grade tech.90% technical, ≥90% (GC,mixture of isomers) technical,≥90%(GC) technical,≥90% tested according to Ph. Eur. ~1.0 M in water ~10% ~40% ~45% ~50% ~65% ~75% ~90% (T) ~99%, liquid ≤10% ≥34.5 wt. % ≥60% (coupling to amines) ≥60% ≥65% ≥90.0%（异构体混合物） ≥91.0% ≥93.0% ≥95% (TLC), powder ≥95% (sum of diastereomers) ≥95%(GC),含Na2S2O3稳定剂 ≥95.0% (GC) ≥95.0%(异构体混合物,HPLC) ≥96.0% (GC) ≥96.0%(GC) ≥97 % ≥97%(HPLC) ≥97%,Mixture of cis and trans ≥97.0% (AT) ≥97.0% (GC) ≥97.0% (HPLC) ≥98%, FG ≥98.0%（HPLC） ≥99%(HPLC),激光级 ≥99%, purified by redistillation ≥99%，无稳定剂 ≥99.5% (GC)(含250 ppm BHT稳定剂) ≥99.5% (GC),无水级(H2O ≤0.04%) ≥99.95% ≥99.99% ≧95% 分析标准品,98.6% 分析标准品,99.5% 分析标准品,≥99.5% 分析标准品,无水级 分析标准品，用于药物分析 升华纯化 无水级,99% 无水级,99.5% 无水级,≥99%,无稳定剂 无水级,≥99.0%,含250 ppm BHT稳定剂 无水级,≥99.9%,含250ppm BHT稳定剂 环保试剂 生物试剂级,99.0%,荧光分析专用 用于DNA合成， 1 μm 滤膜过滤, ~0.45 M 乙腈溶液 用于GC衍生化, ≥98.0% 用于光谱测定没食子酸,≥99.0%(HPLC) 顺式和反式混合物, ≥97.0% (HPLC)

全部 1G 5G 25G 100MG 250MG 10G 500MG 100G 50MG 1g 25MG 10MG 50G 5g 100ML 250mg 500G 100mg 5ML 25ML 1mg 10mg 5mg 10ML 500ML 25g 25mg 500mg 1L 250ML 250G 50ML 100g 50mg 1KG 5MG 2.5mg 1ML 2G 200mg 10g 500g 2.5G 200MG 800ML 3KG 2.5kg 1ml 20mg 2L 500μg 0.5mg 1EA 25KG 2.5L 250g 2KG 500ml 100ml 25ml 50g 5KG 5ml 0.25mg 10L 18L 4L 2.5KG 2g 2.5g 200KG 2mg 12KG 17KG 10X1ML 2ML 1kg 5kg 10kg 400g 250ml 10ml 100μg 10KG 50KG 1MG 2.5ML 6X10ML 125G 180KG 18KG 3L 4KG 167KG 16KG 185KG 230KG 250KG 40KG 6X1KG 20L 5L 45KG 12×100ml 6×1L 4X25ML 6X500ML 200L 200ML 20KG 20MG 210KG 20G 250μg 1.5KG 220KG 240KG 245KG 25L 10AMP 10×1ml 2ml 330KG 400G 400mg 4X100ML 15KG 4X2L 50ml 50μg 550mg 625G 12×500ml 6X500G 800g 80KG

全部 Sigma-Aldrich 阿拉丁