USD $1.00-1.00 / Kilogram
USD $10.00-10.00 / Gram
USD $20.00-40.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
product name: | 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 |
mol file: | 71-30-7.mol |
cytosine chemical properties |
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. |
cas database reference | 71-30-7(cas database reference) |
nist chemistry reference | 2(1h)-pyrimidinone, 4-amino-(71-30-7) |
epa substance registry system | 2(1h)-pyrimidinone, 4-amino-(71-30-7) |
product description:factory supplying cytosine cas 71-30-7 with top quality
product name: cytosine
cas:71-30-7
purity:99%min
appearance:white powder
the picture of : cytosine
our services
1.cooperate with research institutions, we strictly control the process from raw material to finished product.
2.the customer comes first, we provide reasonable price, high quality product and prompt shipment.
3.we can send the goods to your delivery address directly. it is relatively safe and fast. we have ready goods in stock.
4.quick and clear response to customers questions.
warm after sale service, we will help to solve the problems in your usage.
5.we could make our price discount if you place a substantial order with us.
company information
zhishang chemical is owned by zhishang group, is a professional new-type chemicals enterprise combined into research and development, production and sales . the company's competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives series), in recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry . the company insists on the spirit of "sincere management, strict quality control, customer as god" , get consistent high praise from customers at home and abroad.
the production base is located in zhangqiu chemical industry park and tai'an high-tech chemical industry park. laboratory and workshop in strict accordance with the gmp standard and the product fit national iso9001 and iso2000 standards.
“zhishang” products are exported to europe, north and south america, the middle east, asia pacific and africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.
our team