2-Nitro-1,4-phenylenediamine (Standard)是2-Nitro-1,4-phenylenediamine的标准品，适用于定量分析、质量控制及生化实验等相关研究。

4-Hydroxybenzophenone (Standard) 是 4-Hydroxybenzophenone 的标准品，适用于定量分析、质量控制及生化实验等相关研究。4-Hydroxybenzophenone (4-Benzoylphenol) 用作不育药物Clomifene 的中间体。

Gamma-Dodecalactone (Standard) 是 Gamma-Dodecalactone 的标准品，适用于定量分析、质量控制及生化实验等相关研究。Gamma-Dodecalactone是一种呋喃衍生物，广泛应用于生物化学实验和药物合成研究。

5,6-dimethyl-2-Thiouracil (Standard) is the standard substance of 5,6-dimethyl-2-Thiouracil, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. 5,6-dimethyl-2-Thiouracil is a heterocyclic building block that has been used in the synthesis of anti-HIV-1 pyrimidinones.1 It has also been used as an internal standard for the quantification of thyreostats, including 2-thiouracil, in bovine plasma.2

N-(3-Methylcrotonyl)Glycine-2,2-D2 (Standard) 是 N-(3-Methylcrotonyl)Glycine-2,2-D2 的标准品，适用于定量分析、质量控制及生化实验等相关研究。

2-(2H-Benzotriazol-2-yl)-4.6-ditertpent(UV-328) (Standard)是2-(2H-Benzotriazol-2-yl)-4.6-ditertpent(UV-328)的标准品，适用于定量分析、质量控制及生化实验等相关研究。