Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Mercapto-4-hydroxy-5,6-diaminopyrimidine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1004-76-8

1004-76-8 structure

1004-76-8 structure

Name: 5,6-Diamino-2-sulfanylpyrimidin-4-ol
Chemical Name: 5,6-Diamino-2-thiouracil
CAS Number: 1004-76-8
Molecular Formula: C₄H₆N₄OS
Molecular Weight: 158.182
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Aminopyrimidine
Create Date: 2018-12-25 11:43:33
Modify Date: 2026-06-30 21:03:25

Name	5,6-Diamino-2-thiouracil
Synonyms	EINECS 213-727-5 5,6-DIAMINO-4-HYDROXY-2-MERCAPTOPYRIMIDINE 4(1H)-Pyrimidinone, 5,6-diamino-2,3-dihydro-2-thioxo 5,6-Diamino-2,3-Dihydro-2-Thioxo-4(1H)-Pyrimidinone 4,5-diamino-2-mercaptopyrimidine-6-ol MFCD00012187 5,6-Diamino-2-mercapto-pyrimidin-4-ol Uracil, 5,6-diamino-2-thio 2-Mercapto-4-hydroxy-5,6-diamino-pyrimidine 5,6-DiaMino-2,3-dihydro-2-thioxo-4(1H)-pyriMidinone-13C,15N 5,6-Diamino-2-sulfanylpyrimidin-4(3H)-one 4,5-DiaMino-2-MercaptopyriMidin-6-ol-13C,15N 2-MERCAPTO-4-HYDROXY-5,6-DIAMINO-PYRIMIDINE 5,6-DIAMINO-2-THIOURACIL 4,5-DiaMino-6-hydroxy-2-Merc 5,6-Diamino-2-thioxo-2,3-dihydropyrimidin-4(1H)-on 4,5-Diamino-2-mercaptopyrimidin-6-ol diamino-6-hydroxy-2-*mercaptopyrimidine free 4,5-DIAMINO-2-THIOURACIL 2-Mercapto-4-hydroxy-5,6-diaminopyrimidine ISO 9001：2015 REACH 5,6-diamino-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one 5,6-Diamino-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one 4,5-DIAMINO-6-HYDROXY-2-PYRIMIDINETHIOL HEMISULFATE- 1,5-HYDRATE 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine 13C,15N 2-Mercapto-4,5-diaMino-6-hydroxypyriMidine-13C,15N 4,5-DIAMINO-6-HYDROXY-2-MERCAPTOPYRIMIDINE 5,6-diamino-2-thioxo-1H-pyrimidin-4-one 2-Mercapto-5,6-diaminopyrimidine-4(3H)-one 4,5-DIAMINO-6-HYDROXY-2-THIOPYRIMIDINE 4-Hydroxy-5,6-diamino-2-mercaptopyrimidine 2-Mercapto-4-hydroxy-5,6-diaminopyrimidine Uracil, 5,6-diamino-2-thio- (VAN) (8CI) 5,6-diamino-2-sulfanylidene-1H-pyrimidin-4-one 5,6-Diamino-2,3-dihydro-2-thioxopyrimidin-4(1H)-one 2-Mercapto-5,6-diaminopyrimidine-4-ol 5,6-Diamino-2-thioxo-2,3-dihydro-4(1H)-pyrimidinone 5,6-diamino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one

Density	1.7±0.1 g/cm3
Boiling Point	473ºC at 760 mmHg
Melting Point	>300 °C(lit.)
Molecular Formula	C₄H₆N₄OS
Molecular Weight	158.182
Flash Point	239.9ºC
Exact Mass	158.026230
PSA	132.78000
LogP	-2.37
Vapour Pressure	1.43E-09mmHg at 25°C
Index of Refraction	1.776
Storage condition	2-8°C

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2933599090

6232-21-9 structure

6232-21-9

17356-08-0 structure

17356-08-0

~%

1004-76-8 structure

1004-76-8

Literature: Journal of the American Chemical Society, , vol. 36, p. 355

1004-40-6 structure

1004-40-6

57573-52-1 structure

57573-52-1

~%

1004-76-8 structure

1004-76-8

Literature: Journal of the Chemical Society, , p. 467,469

Precursor 3
6232-21-9 1004-40-6 57573-52-1
DownStream 10
31295-41-7 15986-31-9 1468-26-4 31571-52-5
1672-50-0 2487-40-3 6967-57-3 91789-69-4
91789-72-9 91790-00-0

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%

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