产品目录

奥拉西坦杂质

Ethyl 2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetate

- 魏氏化学 98%

4-羟基-2-氧代-1-吡咯烷乙酸

2-(4-Hydroxy-2-oxopyrrolidin-1-yl)acetic acid

- 魏氏化学 98%

4-羟基-2-甲氧基苯甲醛

4-Hydroxy-2-methoxybenzaldehyde

- 魏氏化学 99%

4-氯二苯氯甲烷

1-Chloro-4-(chloro(phenyl)methyl)benzene

- 魏氏化学 98%

4-氯丁酰氯

4-Chlorobutyryl chloride

- 魏氏化学 98%

4-氯丁醛缩二甲醇

4-Chloro-1,1-dimethoxybutane

- 魏氏化学 97%

4-氯吡咯并嘧啶

4-Chloro-7H-pyrrolo[2,3-d]pyrimidine

10 魏氏化学 99%

4-氯苯肼

4-chlorophenylhydrazine

- 魏氏化学 95

4-氯-6-甲氧基-7-喹啉醇

4-Chloro-6-methoxyquinolin-7-ol

- 魏氏化学 98%

4-氯-6,7-二甲氧基喹唑啉

4-Chloro-6,7-dimethoxyquinazoline

- 魏氏化学 97

4-氯-4'-羟基二苯甲酮

(4-Chlorophenyl)(4-hydroxyphenyl)methanone

- 魏氏化学 99%

4-氯-4'-羟基二苯甲酮

(4-Chlorophenyl)(4-hydroxyphenyl)methanone

- 魏氏化学

4-氯-3-三氟甲基异氰酸苯酯

4-Chloro-3-(trifluoromethyl)phenyl isocyanate

- 魏氏化学 ≥98.5%

4-氯-3-甲基苯乙酮

1-(4-Chloro-3-methylphenyl)ethanone

- 魏氏化学 97

4-氯-3,5-二甲基苯酚；对氯间二甲苯酚；利尔洁

4-Chloro-3,5-dimethylphenol

- - 99%

4'-氯-3,4-二羟基二苯甲酮

(4-Chlorophenyl)(3,4-dihydroxyphenyl)methanone

10 魏氏化学 99%

4-氯-2-甲硫基嘧啶-5-羧酸乙酯

Ethyl 4-chloro-2-(methylthio)pyrimidine-5-carboxylate

- 魏氏化学 98%

4-甲氧基间苯二甲酸

4-Methoxyisophthalic acid

- 魏氏化学 98%

4-甲氧基水杨酸钾；4-MSK

Potassium 4-methoxysalicylate

88 魏氏化学 99%

2-羟基-4-甲氧基苯甲醛

4-Methoxysalicylaldehyde

- 魏氏化学 99%