Cytosine

Product Details

CAS No:71-30-7

MF:C4H5N3O

Appearance:white or off-white crystalline powder

Specification:98.5%

UN number:-

Package:1/5/10/25kgs/drum

Supply Capacity:MT

Synonyms:4-AMINO-2-PYRIMIDINOL;4-AMINO-2-OXO-1,2-DIHYDROPYRIMIDINE;4-AMINO-2-HYDROXYPYRIMIDINE;2-Oxy-4-amino pyrimidine;AURORA KA-682;CYTOSINE;4-amino-2(1h)-pyrimidinon;4-Amino-2(1H)pyrimidone; cytosine; 71-30-7; 4-aminopyrimidin-2(1H)-one; 4-Amino-2-hydroxypyrimidine; Cytosinimine; 2(1H)-Pyrimidinone, 4-amino-; 4-Amino-2(1H)-pyrimidinone; 6-amino-1H-pyrimidin-2-one; DTXSID4044456; NSC-27787; 8J337D1HZY; CHEBI:16040; 4-amino-3h-pyrimidin-2-one; DTXCID2024456; NSC27787; 6-amino-1,2-dihydropyrimidin-2-one; RefChem:5728; 200-749-5; 4-Aminouracil; 6-Aminopyrimidin-2(1h)-One; 4-aminopyrimidin-2-ol; MFCD00006034; Cytosin; 4-amino-2-pyrimidinol; 2(1H)-pyrimidinone, 6-amino-; 4-amino-2-oxo-1,2-dihydropyrimidine; Zytosin; Cyt; AI3-52281; 107646-83-3; 134434-40-5; 107646-84-4; 6-amino-3-hydropyrimidin-2-one; pyrimidine, 4-amino-2-hydroxy-; 4-Amino-1H-pyrimidin-2-one; 4-Aminopyrimidin-2(1H)-one (Cytosine); SMR000857094; EINECS 200-749-5; Lamivudine EP Impurity E; 4-amino-1,2-dihydropyrimidin-2-one; NSC 27787; 2-Pyrimidinol, 1,4-dihydro-4-imino-; aminopyrimidone; UNII-8J337D1HZY; iminopyrimidinone; 134434-39-2; 2(1H)-Pyrimidinone, 3,4-dihydro-4-imino-, (E)- (9CI); 3h-cytosine; 4-Aminopyrimidin-2-(1H)-one; 66460-18-2; 66460-21-7; Cytosine (8CI); Cytosine (Standard); Lamivudine impurity c; Cytosine, >=99%; 2(1H)-Pyrimidinone, 3,4-dihydro-4-imino-, (Z)- (9CI); 2(1H)-Pyrimidinone, 4-amino- (9CI); Lamivudine impurity c rs; CYTOSINE [MI]; 4-amino-pyrimidin-2-ol; 4-Amino-2-oxypyrimidine; 2(1H)-Pyrimidinone, 3,4-dihydro-4-imino-; bmse000180; CYTOSINE [USP-RS]; CYTOSINE [WHO-DD]; Epitope ID:167475; 4-Amino-2(1H)pyrimidone; EC 200-749-5; Gemcitabine impurity A CRS; SCHEMBL4059; SCHEMBL8618; 4-Amino-2(1H)-pyrimidone; 2-Hydroxy-6-amino-pyrimidin; 4-amino-2-oxo-1,2-dihy; MLS001332635; MLS001332636; CHEMBL15913; SCHEMBL308339; SCHEMBL437958; SCHEMBL437959; SCHEMBL655341; GTPL8490; orb1221421; orb1302527; SCHEMBL4818561; SCHEMBL6547006; SCHEMBL8921275; 2(1H)-Pyrimidinone 4-amino-; SCHEMBL10402537; HY-I0626R; MSK6920; HMS2233N21; HMS3369N05; HMS5083D22; Cytosine, >=99.0% (HPLC); ALBB-021996; HY-I0626; STR01426; Tox21_302139; EBC-06142; EBC-44129; s4893; SBB071711; STK366767; AKOS000120336; AKOS005443393; AKOS015896942; AC-2489; CCG-266052; CS-W020703; FC03781; 2-Pyrimidinol, 1,6-dihydro-6-imino-; CAS-71-30-7; EBC-4562022; SRI-2354-05; NCGC00247019-01; NCGC00255926-01; 66398-98-9; 66460-19-3; BP-20183; Cytosine, Vetec(TM) reagent grade, 99%; NCI60_012445; SY001643; 4-imino-3,4-dihydropyrimidin-2(1H)-one; DB-029615; DB-268893; DB-268963; DB-271170; DB-271171; DB-295125; LAMIVUDINE IMPURITY E [EP IMPURITY]; LAMIVUDINE IMPURITY C [USP IMPURITY]; NS00006844; ST45026865; T4832; EN300-21504; C00380; F036359; Q178425; Lamivudine EP Impurity E; Gemcitabine EP Impurity A; CBA1D098-C5AB-46CE-AAC6-754572886EB2; Z203045338; Cytosine, United States Pharmacopeia (USP) Reference Standard; Cytosine, Pharmaceutical Secondary Standard; Certified Reference Material; Gemcitabine impurity A, European Pharmacopoeia (EP) Reference Standard; 66460-16-0; Lamivudine EP Impurity E;
Gemcitabine EP Impurity A;
Cytarabine EP Impurity C;
Cytosine

Product application:Cytosine,71-30-7,4-Amino-2-hydroxypyrimidine,4-Aminopyrimidin-2(1H)-one,Natural pyrimidine base,Pharmaceutical grade Cytosine,Antineoplastic API intermediate,Cytarabine synthesis raw material,Gemcitabine starting material,5-Fluorocytosine precursor,Antifungal drug intermediate,Antiviral API building block,Lamivudine intermediate,Emtricitabine raw material,Cytidine synthesis precursor,Citicoline raw material,Oligonucleotide synthesis monomer,DNA methylation epigenetic reagent,Blasticidin S raw material,Cell culture medium component,Research biochemical CAS 71-30-7,High purity Cytosine 99%,Cytosine manufacturer China,CAS 71-30-7 supplier,Suzhou Health Chemicals pyrimidines,Cytosine wholesale bulk export

 

Cytosine serves as an indispensable natural pyrimidine base, foundational heterocyclic building block, and versatile metabolic precursor extensively utilized across the pharmaceutical oncology, antiviral therapeutics, oligonucleotide biotechnology, and molecular epigenetics sectors. In commercial active pharmaceutical ingredient (API) manufacturing and medicinal chemistry, functioning as a primary pyrimidine pharmacophore, it is the crucial starting material for synthesizing frontline antimetabolite chemotherapeutics including Gemcitabine and Cytarabine, the antifungal drug 5-Fluorocytosine, and blockbuster antiretroviral reverse transcriptase inhibitors such as Lamivudine, Emtricitabine, and Zalcitabine, while also acting as the key structural precursor for synthesizing Cytidine and neuroprotective Citicoline sodium. In modern nucleic acid therapeutics and synthetic biology, Cytosine and its chemically protected derivatives are vital monomers in solid-phase oligonucleotide synthesis for manufacturing antisense oligonucleotides (ASOs), siRNA, and therapeutic aptamers. In epigenetic oncology and biomedical research, since enzymatic methylation at the C-5 position of Cytosine represents the central epigenetic hallmark regulating eukaryotic gene transcription and chromatin structure, this compound is extensively used as a reference biochemical in DNA methyltransferase assays, epigenetic biomarker discovery, and deep-sequencing technologies. Furthermore, in agricultural biotechnology and fermentation science, Cytosine serves as an essential intermediate for producing bio-fungicides like Blasticidin S and as a foundational pyrimidine nutrient in serum-free cell culture formulations.