4, 4'-Dinitro Stilbene-2, 2'-Disulfonic Acid

Cas#128-42-7, contents: 80%min Used to be dyes intermediates, such as DSD ACID.

Other supplier products

	5-羟甲基噻唑	Cas#38585-74-9, contents: 99%min Used to synthesise drug inteemediate.
	1,4-环己二酮	Cas#637-88-7, contents: 99min Used to synthesise liquid crystal and medicine
	巴比妥酸	Cas#67-52-7, contents: 99%min Used to synthesise barbital, VB12 and pigments, such as yellow 139, 150, 185, orange64, 69 and red260
	5-溴苯酞	Cas#64169-34-2, appearance: Light yellow crystal, contents: 98%min. Used as intermediates for the production of Citalopram.
	丁二酸二异丙酯	Cas: #924-88-9 Appearance: Colorless transparent liquid Contents: 99%min Used to synthesise high-class organic pigments

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