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trans,trans-2,4-Decadienal, tech., 95% 5GR
Cells and accessories for the photometric chlorine determina tion for liquid reagents 100086, 100087
2,2-Dimethyl-5-(2-tetrahydropyrrolylidene)-1,3-dioxane-4,6-dione, 98% 10GR
法莫替丁, ≥98.0%
2-(1H-Pyrazol-1-yl)benzaldehyde, 97%
2-丙基噻唑, ≥98.0%
3-氨基苯二甲酰肼[化学发光试剂],98%+
N,N-Dimethylacetamide, AcroSeal?, Extra Dry over Molecular Sieve, 99.5% 1LT
活性碳,未处理,颗粒状,8-20目
Vanillin for synthesis