USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-1.00 / Kilogram
our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.pharmaceutical intermediates
our advantage:
1.high quality and good package
2.direct supplier,fast delivery
3.choosable payment term
4.prompt response to customer within 6 hours
5.good business credit in europe ,us ,japan ,korea
welcome to henan tianfu chemical co., ltd. our company engages in sodium tripolyphosphate (stpp) and sodium hexametabphosphate (shmp) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals imp&exp trading business. we passed iso 9001:2008 in 2009, and won “high-tech enterprise” by provincial government in 2013. our company has keep better long-term business with many world famous chemical or electronic companies include samsung, lg, basf, tci, merck and so on.we also establish strategic partnership with our goverment chemical research institute and henan university,they provide strong technical support and development capabilities for us.
product name: | cytosine |
synonyms: | 4-amino-2(1h)-pyrimidinone;4-amino-2(1)-pyrimidone;4-amino-2-pyrimidinol;4-amino-2-oxo-1,2-dihydropyrimidine;4-amino-2-hydroxypyrimidine;2-oxy-4-amino pyrimidine;aurora ka-682;cytosine |
cas: | 71-30-7 |
mf: | c4h5n3o |
mw: | 111.1 |
einecs: | 200-749-5 |
product categories: | pharmaceutical intermediates;pyrimidine;fine chemical & intermediates;pyridines, pyrimidines, purines and pteredines;pyrimidine series;nucleotides and nucleosides;cidofovir;biochemistry;nucleobases and their analogs;nucleosides, nucleotides & related reagents;nucleic acids;bases & related reagents;nucleotides;building blocks;c4 to c5;chemical synthesis;heterocyclic building blocks;pyrimidines;amine |ketone;nucleoside |
melting point | >300 °c(lit.) |
density | 0,48 g/cm3 |
storage temp. | store at rt. |
solubility | clear to very slightly hazy colorless to faint yellow solution at 50 mg/ml in 0.5 m hcl. |
form | crystalline powder |
pka | 4.60, 12.16(at 25℃) |
color | white to slightly yellow |
water solubility | soluble |
merck | 14,2795 |
brn | 2637 |
stability: | stable. incompatible with strong oxidizing agents. |