Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Thiocytosine
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Purity: 98.0%
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333-49-3

333-49-3 structure

333-49-3 structure

Name: 4-Aminopyrimidine-2-thiol
Chemical Name: 4-amino-2-mercaptopyrimidine
CAS Number: 333-49-3
Molecular Formula: C₄H₅N₃S
Molecular Weight: 127.168
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Mercaptopyrimidine
Create Date: 2018-02-26 08:00:00
Modify Date: 2024-01-09 15:22:02

Name	4-amino-2-mercaptopyrimidine
Synonyms	6-AMino-2-pyriMidinethione THIOCYTOSINE 2-THIOCYTOSINE 2-Pyrimidinethiol, 4-amino- 4-Aminopyrimidine-2-thiol 4-Amino-2(1H)-pyrimidinethione 4-aminopyrimidine-2-thione 4-amino-2-pyrimidine-thiol Cytosine,thio Cytosine,2-thio MFCD00057341 2-mercapto-4-Aminopyrimidine 4-AMINO-2-THIOPYRIMIDINE 4-aminopyrimidine-2(1H)-thione 4-AMinothio-2-pyriMidinone EINECS 206-374-3 4-Amino-2-mercaptopyrimidine 4-Amino-6-mercaptopurine

Density	1.4±0.1 g/cm3
Boiling Point	347.7±34.0 °C at 760 mmHg
Melting Point	285-290 °C (dec.)(lit.)
Molecular Formula	C₄H₅N₃S
Molecular Weight	127.168
Flash Point	164.1±25.7 °C
Exact Mass	127.020416
PSA	90.60000
LogP	-2.39
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.694
Storage condition	-20?C Freezer

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW0520000

CHEMICAL NAME :: 2(1H)-Pyrimidinethione, 4-amino-

CAS REGISTRY NUMBER :: 333-49-3

LAST UPDATED :: 199709

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C4-H5-N3-S

MOLECULAR WEIGHT :: 127.18

WISWESSER LINE NOTATION :: T6MYNJ BUS DZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 255 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation test systems - not otherwise specified

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 5 mmol/L

REFERENCE :: CYTBAI Cytobios. (Faculty Press, 88 Regent St., Cambridge, UK) V.1- 1969- Volume(issue)/page/year: 5,97,1972

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UW0520000
HS Code	2933599090

2001-93-6 structure

2001-93-6

~%

333-49-3 structure

333-49-3

Literature: Journal of the Society of Chemical Industry, London, , vol. 69, p. 353 Journal of the American Chemical Society, , vol. 71, p. 2279,2280 Journal of Biological Chemistry, , vol. 177, p. 357,358

2032-34-0 structure

2032-34-0

17356-08-0 structure

17356-08-0

~%

333-49-3 structure

333-49-3

Literature: Journal of the American Chemical Society, , vol. 72, p. 2587,2593

875-60-5 structure

875-60-5

~18%

333-49-3 structure

333-49-3

Literature: Scherbinina; Dar'In; Lobanov Chemistry of Heterocyclic Compounds, 2010 , vol. 46, # 9 p. 1109 - 1115

HS Code	2933599090
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%