| Identification | More | [Name]
5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE SULFATE | [CAS]
32014-70-3 | [Synonyms]
4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE
4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE SULFATE
4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE SULPHATE
4,5-DIAMINOURACIL SULFATE
5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE
5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE SULFATE
5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE SULPHATE
5,6-DIAMINOURACIL
5,6-DIAMINOURACIL SULFATE
bis(5,6-diaminouracil) sulphate
5-6-DIAMINO-2-4-DIHYDROXY-PYRIMIDINE*HEM ISULFATE CR
4,5-Diamino-2,6-dihydropyrimidine
5,6-DIAMINO-2,4-DIHYDROXY-PYRIMIDINE 97%
5,6-DIAMINOURACIL HEMISULFATE/4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE HEMISULFATE
4,5-Diamino-2,6-dihydroxypyrimidine sulfate, 5,6-Diamino-2,4-dihydroxypyrimidine sulfate
5,6-Diamino-2,4-dihydroxypyrimidine hemisulfate salt
5,6-Diaminouracil sulfate salt
5,6-Diaminouracil sulfate (for AMILORIDE) | [EINECS(EC#)]
250-899-0 | [Molecular Formula]
C4H8N4O6S | [MDL Number]
MFCD00135845 | [Molecular Weight]
240.19 | [MOL File]
32014-70-3.mol |
| Chemical Properties | Back Directory | [Melting point ]
>260 °C (dec.)(lit.) | [form ]
powder | [BRN ]
3781587 | [InChI]
1S/C4H6N4O2.H2O4S/c5-1-2(6)7-4(10)8-3(1)9;1-5(2,3)4/h5H2,(H4,6,7,8,9,10);(H2,1,2,3,4) | [InChIKey]
IKARJSDZQCSEJX-UHFFFAOYSA-N | [SMILES]
OS(O)(=O)=O.Nc1nc(O)nc(O)c1N | [CAS DataBase Reference]
32014-70-3(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [RTECS ]
YQ9625000
| [Storage Class]
11 - Combustible Solids |
| Hazard Information | Back Directory | [Uses]
5,6-Diaminouracil sulfate is an intermediate in the synthesis of Paraxanthine (P192500) and Paraxanthine analogs. | [Purification Methods]
The salt is quite insoluble in H2O but can be converted to the free base which is recrystallised from H2O and converted to the sulfate by addition of the required amount of H2SO4. The hydrochloride has m 300-305o(dec) and can be used to prepare the sulfate by addition of H2SO4; it is more soluble than the sulfate. The perchlorate has m 252-254o. The free base has max at 260nm (log 4.24) in 0.1M HCl. [Bogert & Davidson J Am Chem Soc 86 1668 1933, Bredereck et al. Chem Ber 86 850 1953, Sherman & Taylor Org Synth Coll Vol IV 247 1963, Barlin & Pfleiderer J Chem Soc (B) 1425 1971, Beilstein 25 II 382.] |
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