Name | 2-amino-4-hydroxypyrimidine |
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Synonyms |
4(1H)-Pyrimidinone, 2-amino- (9CI)
2-amino-4-oxo-3,4-dihydropyrimidine 4(3H)-pyrimidinone, 2-amino- 2-amino-3H-pyrimidin-4-one Isocytosine 2-Amino-4-pyrimidone 2-Aminopyrimidin-4-ol 2-amino-4-hydroxypyrimine 2-Amino-4-hydroxypyrimidine 4-Hydroxy-2-aminopyrimidine 2-amino-1H-pyrimidin-6-one MFCD00057557 2-Amino-4-hydroxypyrimidine,2-Aminouracil 2-Aminopyrimidin-4(1H)-one Iso Cytosine 2-Amino-4(1H)-pyrimidinone 2-Aminopyrimidin-4(3H)-one 2-Amino-6-hydroxpyrimidine EINECS 203-592-0 2-aminouracil 4-Pyrimidinol, 2-amino- |
Description | Isocytosine is a non-natural nucleobase and an isomer of cytosine. It is used in combination with Isoguanine in studies of unnatural nucleic acid analogues of the normal base pairs in DNA and used as a nucleobase of hachimoji RNA[1][2]. |
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Related Catalog | |
References |
[1]. "Isocytosine". Molecule of the Week. American Chemical Society. Retrieved November 1, 2012. |
Density | 1.5±0.1 g/cm3 |
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Boiling Point | 393.6±34.0 °C at 760 mmHg |
Melting Point | 275°C |
Molecular Formula | C4H5N3O |
Molecular Weight | 111.102 |
Flash Point | 191.9±25.7 °C |
Exact Mass | 111.043259 |
PSA | 72.03000 |
LogP | -1.01 |
Vapour Pressure | 0.0±0.9 mmHg at 25°C |
Index of Refraction | 1.668 |
Storage condition | Room temperature. |
Symbol |
GHS07 |
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Signal Word | Warning |
Hazard Statements | H302-H319 |
Precautionary Statements | P305 + P351 + P338 |
Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
Hazard Codes | Xn:Harmful; |
Risk Phrases | R22;R36 |
Safety Phrases | S26 |
RIDADR | NONH for all modes of transport |
WGK Germany | 3 |
HS Code | 2933599090 |
Precursor 10 | |
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DownStream 8 | |
HS Code | 2933599090 |
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Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |