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2-Thio-6-aminocytosine

HCID 1201482
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
1004-39-3
Standard SMILES
Nc1cc(N)[nH]c(=S)n1
InChIKey
QCAWOHUJKPKOMD-UHFFFAOYSA-N
Molecular formula
C4H6N4S
Average molar mass
142.19 g/mol
Monoisotopic mass
142.03131738

Overview

structure in first source

Names & identifiers

Preferred name
2-Thio-6-aminocytosine
IUPAC
4,6-diamino-1H-pyrimidine-2-thione
English name
4,6-Diamino-2-mercaptopyrimidine
Molecular formula
C4H6N4S
Molecular weight
142.18

Names & synonyms

4,6-Diamino-2-mercaptopyrimidine1004-39-34,6-Diaminopyrimidine-2-thiol4,6-Diamino-2-thiopyrimidine2(1H)-Pyrimidinethione, 4,6-diamino-2-Mercapto-4,6-diaminopyrimidine4,6-Diamino-2-pyrimidinethiol4,6-diamino-1H-pyrimidine-2-thione4,6-Diaminopyrimidine-2(1H)-thione2-Thio-6-aminocytosine4,6-Diamino-2(1H)-pyrimidinethione0VP6I0FY3O
Show more names
AKOS USSH-4110073TIMTEC-BB SBB0075644,6-DiaMino-2-Mercapt6-AMINO-2-THIOCYTOSINELABOTEST-BB LT00847993THIO-4,6-DIAMINOPYRIMIDINE4,6-Diamino-2-thiopyrimdine
4,6-Diaminopyrimidine-2-thioneNSC 1586NSC-1586EINECS 213-721-2NSC 680831NSC-680831AI3-520924,6-Diamino-1,2-dihydro-2-thioxopyrimidine

Database identifiers

CAS
1004-39-3
PubChem CID
1201482
DTXSID
DTXSID8061395
ChEMBL
CHEMBL1868693
UNII
0VP6I0FY3O
EC Number
213-721-2
Nikkaji
J116C

Properties

Computed structural properties

XLogP
-1.2
Topological polar surface area
109 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
2
Rotatable bonds
0
Heavy atoms
9
Formal charge
0
Complexity
205

Physicochemical properties

Melting point
300 °C · >300 °C(lit.)
Boiling point
289.1 · 289.1±43.0 °C(Predicted)
Density
1.78 · 1.78±0.1 g/cm3(Predicted)
storage temp.
30 °C · Store below +30°C.
solubility
1 M · 1 M NaOH: soluble2%
pka
11.81 · 11.81±0.10(Predicted)
form
Solid
color
Pale Beige to Light Brown
BRN
124937 · 124937
Stability
Hygroscopic
InChI
1S/C4H6N4S/c5-2-1-3(6)8-4(9)7-2/h1H,(H5,5,6,7,8,9)
InChIKey
QCAWOHUJKPKOMD-UHFFFAOYSA-N
SMILES
S=[c]1[nH]c(cc(n1)N)N
CAS DataBase Reference
1004 · 1004-39-3(CAS DataBase Reference)
FDA UNII
0 VP6I0FY3O · 0VP6I0FY3O
NIST Chemistry Reference
2 · 2-Thiol-4,6-diamino-pyrimidine(1004-39-3)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 6 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information4,6-Diamino-2-pyrimidinethiol: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesSkin Irrit. 2 (100%)

Safety data

wgk
3
tsca
TSCA listed
rtecs
MB7660000
hs_code
2933 59 95
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
safety_code
26-36/37/39
Storage Class
11 - Combustible Solids
Hazard statements
H315-H319
Hazard Classifications
Eye Irrit. 2Skin Irrit. 2
Precautionary statements
P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313

Chemistry & industry

Uses & manufacturing

General Manufacturing Information2(1H)-Pyrimidinethione, 4,6-diamino-: ACTIVE

Applications

Uses2-Thioadenosine derivatives have been known to exhibit several pharmacological activities such as platelet aggregation inhibition and coronary vasodilation.

General Description4,6-Diamino-2-mercaptopyrimidine hydrate on oxidation with hydrogen peroxide gives sulphinic acid.

Upstream & downstream products

Upstream raw materials

MalononitrileEthanolSodiumThioureaCarbamimidothioic acidMethanolSodium Methoxide

Related reactions

1 records
New reaction record
HRID 895043 reaction equation
HRID 895043As reactantuspto-grants-1981_08

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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EPA Substance Registry System
2 · 2(1H)-Pyrimidinethione, 4,6-diamino- (1004-39-3)
UNSPSC Code
12352105 · 12352105
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319
Precautionary statements
264 · P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36/37/39
WGK Germany
3 · 3
RTECS
7660000 · MB7660000
TSCA
TSCA listed
HS Code
2933 · 2933 59 95
Storage Class
11 · 11 - Combustible Solids
Hazard Classifications
2 Skin · Eye Irrit. 2Skin Irrit. 2