Manufacturer with High Purity and Stable Quality
Commercial Supply Pyrimidine Base Intermediates
| Cytosine CAS: 71-30-7 | 5-Azacytosine CAS: 931-86-2 |
| N4-Acetylcytosine CAS: 14631-20-0 | N4-Benzoylcytosine CAS: 26661-13-2 |
| 5-Fluorocytosine CAS: 2022-85-7 | |
| Uracil CAS: 66-22-8 | 5-Fluorouracil CAS: 51-21-8 |
| Name | Cytosine |
| Synonyms | 4-Amino-2-oxo-1,2-dihydropyrimidine; 4-Amino-2(1H)-pyrimidone |
| CAS Number | 71-30-7 |
| CAT Number | RF-PI172 |
| Stock Status | In Stock, Production Scale Up to Tons |
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.10 |
| Brand | Ruifu Chemical |
| Item | Specifications |
| Appearance | White or Almost White Crystalline Powder |
| Identification | I.R |
| Purity / Analysis Method | ≥99.0% (HPLC) |
| Loss on Drying | ≤0.50% (105℃/2h) |
| Residue on Ignition | ≤0.20% |
| Heavy Metals | ≤10ppm |
| Any Individual Impurity | ≤0.50%（HPLC） |
| Melting Point | >300.0℃ |
| Test Standard | Enterprise Standard |
| Usage | Pharmaceutical Intermediates; Organic Synthesis |
| Downstream Products | Cytidine (CAS: 65-46-3); 5-Azacytosine (CAS: 931-86-2); N4-Acetylcytosine (CAS: 14631-20-0); N4-Benzoylcytosine (CAS 26661-13-2); 5-Fluorocytosine (CAS: 2022-85-7); etc. |
Package: Bottle, Aluminum foil bag, Cardboard drum, 25kg/Drum, or according to customer's requirement.
Storage Condition: Store in sealed containers at cool and dry place; Protect from light, moisture and pest infestation.
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Cytosine (CAS: 71-30-7) with high quality. Cytosine (CAS: 71-30-7) is an organic synthesis intermediate and pharmaceutical intermediate, mainly used in laboratory research and development process and fine chemical or API production process, to synthesize anti HIV drugs and anti HBV drugs Lamivudine (CAS: 134678-17-4), anticancer drug Gemcitabine (CAS: 95058-81-4) and Gemcitabine Hydrochloride (CAS: 122111-03-9).
Manufacturer with High Purity and Stable Quality
Commercial Supply Pyrimidine Base Intermediates
| Cytosine CAS: 71-30-7 | 5-Azacytosine CAS: 931-86-2 |
| N4-Acetylcytosine CAS: 14631-20-0 | N4-Benzoylcytosine CAS: 26661-13-2 |
| 5-Fluorocytosine CAS: 2022-85-7 | |
| Uracil CAS: 66-22-8 | 5-Fluorouracil CAS: 51-21-8 |