Detail of "2846-89-1"

CAS Number:
2846-89-1
Name:
4(3H)-Pyrimidinethione,5,6-diamino-
Superlist Name:
4,5-Diamino-6-mercaptopyrimidine
Molecular Structure:
Formula:
C₄H₆N₄S
Molecular Weight:
142.18
Synonyms:
4(1H)-Pyrimidinethione,5,6-diamino- (9CI);4-Pyrimidinethiol, 5,6-diamino- (6CI,7CI,8CI);4,5-Diamino-6-mercaptopyrimidine;4,5-Diaminopyrimidine-6(1H)-thione;5,6-Diamino-4(3H)-pyrimidinethione;5,6-Diamino-4-pyrimidinethiol;NSC 30021;
EINECS:
220-644-8
Density:
1.78g/cm³
Boiling Point:
229.3 °C at 760 mmHg
Flash Point:
92.5 °C

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Derivatives of pyrimido[4,5-b][1,4]benzothiazepine: Derivatives of pyrimido[4,5-b][1,4]benzothiazepine. Nemeryuk, M. P.; Grineva, N. A.; Ryzhikova, T. P.; Safonova, T. S. (Ordzhonikidze, S., All-Union Scientific-Research Chemical-Pharmaceutical Institute, USSR). U.S.S.R. SU 677355 A1 15 Dec 1983 From: Otkrytiya, Izobret., Prom. Obraztsy, Tovarnye Znaki 1983, (46), 227. (Russian). (Union of Soviet Socialist Republics). CODEN: URXXAF. CLASS: IC: C07D513-04; C07D281-08. APPLICATION: SU 77-2548915 1 Dec 1977. DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Title substances I (R = OMe, NH2, NHMe, NMe2) are prepd. by treating 5-amino-6-mercaptopyrimidines II with 3-nitro-6-chlorobenzaldehyde in MeOH or EtOH at 70-80° in the presence of alkali metal hydroxide.Except for chemicals metioned above, 52602-72-9 and 2846-89-1 are also used. .

A new type of angular phenothiazine ring system: A new type of angular phenothiazine ring system. Okafor, Charles O. (Dep. Pure Ind. Chem., Univ.There are some reagents with their cas registry numbers 2846-89-1 and 106719-15-7 are used in this study. Nigeria, Nsukka, Nigeria). Tetrahedron, 42(10), 2771-5 (English) 1986. CODEN: TETRAB. ISSN: 0040-4020. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Section cross-reference(s): 41 Monoaza (I, R = H, Cl, OMe) and diaza analogs (II) of the benzo[a]phenothiazine ring system were first synthesized under anhyd. conditions by base-catalyzed reaction of o-aminoheterocyclic thiones with 2,3-dichloronaphtho-1,4-quinone. When the reactions were carried out in MeOH, 2-chloro-3-methoxynaphtho-1,4-quinone was also isolated. The ease of air oxidn. of the Na2S2O4-reduced compds. makes then suitable for consideration as vat dyes. .