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ChemicalBook >> CAS DataBase List >> 4-Amino-2-mercaptopyrimidine

4-Amino-2-mercaptopyrimidine

4-Amino-2-mercaptopyrimidine price.
  • $50 - $2285.5
  • Product name: 4-Amino-2-mercaptopyrimidine
  • CAS: 333-49-3
  • MF: C4H5N3S
  • MW: 127.17
  • EINECS:206-374-3
  • MDL Number:MFCD00057341
  • Synonyms:THIOCYTOSINE;2(1H)-Pyrimidinethione, 4-amino-;2(1H)-Pyrimidinone, 4-aminothio-;4-amino-2(1h)-pyrimidinethion ;4-Amino-2(1H)-pyrimidinethione;Cytosine, 2-thio-;Cytosine, thio-;6-amino-1H-pyrimidine-2-thione
Price27 Properties Safety Information Description
27 prices
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Brand
  • aablocks
  • ACHEMBLOCK
  • Activate Scientific
  • AHH
  • AK Scientific
  • Biosynth
  • Chemenu
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
  • 1g
  • 2g
  • 5g
  • 10g
  • 25G
  • 50g
  • 1 g
  • Manufactureraablocks
  • Product numberAA00BY6F
  • Product description4-Aminopyrimidine-2-Thiol 97%
  • Packaging1g
  • Price$81
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00BY6F
  • Product description4-Aminopyrimidine-2-Thiol 97%
  • Packaging5g
  • Price$289
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00BY6F
  • Product description4-Aminopyrimidine-2-Thiol 97%
  • Packaging10g
  • Price$435
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY220322
  • Product description6-Aminopyrimidine-2(1H)-thione 97.00%
  • Packaging5G
  • Price$415
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY220322
  • Product description6-Aminopyrimidine-2(1H)-thione 97.00%
  • Packaging25G
  • Price$1660
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY220322
  • Product description6-Aminopyrimidine-2(1H)-thione 97.00%
  • Packaging1G
  • Price$115
  • Updated2026-05-27
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  • ManufacturerActivate Scientific
  • Product numberAS182411
  • Product description6-Aminopyrimidine-2(1H)-thione 98%
  • Packaging1g
  • Price$164
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS182411
  • Product description6-Aminopyrimidine-2(1H)-thione 98%
  • Packaging5g
  • Price$563
  • Updated2026-06-04
  • Buy
  • ManufacturerAHH
  • Product numberMT-41152
  • Product description4-Amino-2-mercaptopyrimidine 97%
  • Packaging25g
  • Price$290
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number0783AQ
  • Product description2-Thiocytosine
  • Packaging1g
  • Price$121
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFA17458
  • Product description4-Amino-2-mercaptopyrimidine
  • Packaging1g
  • Price$65
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFA17458
  • Product description4-Amino-2-mercaptopyrimidine
  • Packaging2g
  • Price$190.52
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFA17458
  • Product description4-Amino-2-mercaptopyrimidine
  • Packaging5g
  • Price$380.95
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFA17458
  • Product description4-Amino-2-mercaptopyrimidine
  • Packaging10g
  • Price$723.9
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFA17458
  • Product description4-Amino-2-mercaptopyrimidine
  • Packaging50g
  • Price$2285.5
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFA17458
  • Product description4-Amino-2-mercaptopyrimidine
  • Packaging25g
  • Price$1333.75
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00BY6F 4-Aminopyrimidine-2-Thiol 97% 1g $81 2026-05-28 Buy
aablocks AA00BY6F 4-Aminopyrimidine-2-Thiol 97% 5g $289 2026-05-28 Buy
aablocks AA00BY6F 4-Aminopyrimidine-2-Thiol 97% 10g $435 2026-05-28 Buy
ACHEMBLOCK Y220322 6-Aminopyrimidine-2(1H)-thione 97.00% 5G $415 2026-05-27 Buy
ACHEMBLOCK Y220322 6-Aminopyrimidine-2(1H)-thione 97.00% 25G $1660 2026-05-27 Buy
ACHEMBLOCK Y220322 6-Aminopyrimidine-2(1H)-thione 97.00% 1G $115 2026-05-27 Buy
Activate Scientific AS182411 6-Aminopyrimidine-2(1H)-thione 98% 1g $164 2026-06-04 Buy
Activate Scientific AS182411 6-Aminopyrimidine-2(1H)-thione 98% 5g $563 2026-06-04 Buy
AHH MT-41152 4-Amino-2-mercaptopyrimidine 97% 25g $290 2026-05-26 Buy
AK Scientific 0783AQ 2-Thiocytosine 1g $121 2021-12-16 Buy
Biosynth FA17458 4-Amino-2-mercaptopyrimidine 1g $65 2021-12-16 Buy
Biosynth FA17458 4-Amino-2-mercaptopyrimidine 2g $190.52 2026-06-04 Buy
Biosynth FA17458 4-Amino-2-mercaptopyrimidine 5g $380.95 2026-06-04 Buy
Biosynth FA17458 4-Amino-2-mercaptopyrimidine 10g $723.9 2026-06-04 Buy
Biosynth FA17458 4-Amino-2-mercaptopyrimidine 50g $2285.5 2026-06-04 Buy
Biosynth FA17458 4-Amino-2-mercaptopyrimidine 25g $1333.75 2026-06-04 Buy
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Properties

Melting point :285-290 °C (dec.)(lit.)
Boiling point :232.1±43.0 °C(Predicted)
Density :1.313 (estimate)
refractive index :1.5800 (estimate)
storage temp. :-20°C Freezer
solubility :DMSO (Slightly), Water (Slightly)
form :Powder
pka :7.91±0.10(Predicted)
color :Yellow
BRN :112435
InChI :1S/C4H5N3S/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)
InChIKey :DCPSTSVLRXOYGS-UHFFFAOYSA-N
SMILES :NC1=NC(=S)NC=C1
CAS DataBase Reference :333-49-3(CAS DataBase Reference)
EPA Substance Registry System :2(1H)-Pyrimidinethione, 4-amino- (333-49-3)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

2-Thiocytosine has been used to investigate the reactions involved in hole transfer (HT) in X-irradiated doped cytosine monohydrate.

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J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. 3B Pharmachem (Wuhan) International Co.,Ltd. Wuhan Chemwish Technology Co., Ltd Chemsky（shanghai）International Co.,Ltd. Shandong Xiya Chemical Co., Ltd Syntechem Co.,Ltd Sichuan Kulinan Technology Co., Ltd Maya High Purity Chemicals Thermo Fisher Scientific