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details: assay 98% min. 50kg/month 欢迎电邮询价，我们会在60分钟内回复。李西经理：dakang pharm$gmail.com(把$换成@)

Product Description Appearance: Orange Powder Test Method: UV Source: Flower of the marigold Extract Method: Alcohol≤ Applicable field: Medicine, Food, antioxidant Assay: 2%-90% Heavy Meta&le≤ 10ppm As≤ 2ppm Pb≤ 1ppm Hg≤.....

VS(Vinyl sulphonate, sodium salt) CAS No.: 3039-83-6 Serial number D031 Trade name VS Chemical name Vinyl sulphonate, sodium salt Molecular formula C2H3NaSO3 Assay 25-26% Appearance Colorless to yellowish transparent liquid Solid.....

1-methylpyrazole: cas#930-36-9 assay: 99%min appearance: light yellow to colorless liquid

Product Name: DL-Malic Acid CAS Number: 617-48-1 Molecular Formula: C4H6O5 Chemical name: DL-hydroxy butanedioic acid Molecular Formula: C4H6O5 Molecular Weight: 134.09 DL-Malic Acid, FCCIV, spec: Assay (as C4H6O5) : 99. 0% ~100. 5%.....

Standard: In-house standard Assay:>=95.0% Package: Aluminium bag N.W.: 50g/100g

Appearance Yellowish viscous liquid Assay ≥99.0%(HPLC) Melting Point 33.0~39.0ºC Boiling Point 218.0ºC Moisture ≤0.3% Usage Used for preparation of agricultural chemicals

Bis-Tris Synonyms: Bis(2-hydroxyethyl)iminotris(hydroxymethyl) methane CAS: 6976-37-0 Assay : ≥99.0 % Appearance : White crystalline powder MF: C8H19NO5 MW: 209.24 MP: 103-104℃ PH: 5.7-7.3 pKa (20℃): 6.46 .....

Rosemary Extract Latin Name : Herba Rosmarini Officinalis Part of the Plant Used :Rosmarinus Officinalis L Appearance:Brown powder Extract Method -- Alcohol/water Active Ingredients:Test Method :HPLC Assay -- Carnosic acid: 20% 40% 50%.....

Appearance: sodium metabisulphite(first grade) is white granular powder. Item Spec. Assay(Na2S2O5)% Assay(SO2)% Iron Content(Fe)% Clarity Heavy Metal(pb)% Arsenic(AS)% 99.30 66.93 0.001 Qualified 0.001 0.0002

Appearance: White powder Assay:( Total base): 98.0 min.

D-泛酸钙 *D-Calcium Pantothenate CAS: 137-08-6 molecular formula, weight:C18H32CaN2O10=476.55 Assay:ca content: 8.2-8.6 shelf life:2 year Performing standard:USP28

Test item Specification Characteristics White crystal Identification Positive Chloride 0.011% max Sulphate 0.014% max Heavy metals 0.001% max Arsenic 0.0002% max Assay (anhydrous) 98.5% min Clarity of.....

2-(bromomethyl)-5-(trifluoromethyl)furan Assay: 98% up

产品名称 DL-天冬酰胺(一水物） Product Name DL-ASPARAGINE MONOHYDRATE CAS # 3130-87-8 Transmittance ≥98.0% Iron(Fe) ≤0.001 Chloride (Cl) ≤0.02% Heavy Metals (Pb) ≤0.001 Arsenic(AS2O3) ≤0.0001 Assay 98.5%~101.0% Other Amino.....

appearance white crystal Assay%≥ 98.0 Volatile matter%≤ 1.0 iron(Fe)%≤ 0.002 heavy metal (with Pb)%≤ 0.001

(2, 3, 5, 16, 17)-2, 3-epoxy-16-(1-pyrrolidinyl)-androstan-17-ol CAS NO： 119302-19-1 Assay： ≥98% 性状：类白色结晶粉末almost white powder

2, 3-Cyclopentapyridine CAS No. 533-37-9 Assay: ＞98%

1，3-环已二酮 1, 3-Cyclohexanedione Dihydroresorcinol Cas: 504-02-9 C6H8O2 EINECS: 207-980-0 Appearance: light yellow crystalline powder Assay: not less than 98.0% Package: pack it according to your.....

Rasagiline Mesylate CAS No.:161735-79-1 Appearance:White crystalline powder S-isomer:≤0.50% Melting point:152.0~158.0℃ Specific rotation:+18°~ +22° Assay:≥99.0% Application: API, Anti-Parkinson drugs, Neurotrophic factors.