Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6-(Methylthio)pyrimido[5,4-d]pyrimidin-4(1H)-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 6-(Methylthio)pyrimido[5,4-d]pyrimidin-4(1H)-one
Price: ￥1188.0/250mg ￥398.0/50mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6-(METHYLTHIO)PYRIMIDO[5,4-D]PYRIMIDIN-4(1H)-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

98550-19-7

98550-19-7 structure

98550-19-7 structure

Name: 6-(Methylthio)pyrimido[5,4-d]pyrimidin-4(1H)-one
Chemical Name: 6-(Methylthio)pyrimido[5,4-d]pyrimidin-4(1H)-one
CAS Number: 98550-19-7
Molecular Formula: C₇H₆N₄OS
Molecular Weight: 194.214
Create Date: 2018-12-27 11:38:26
Modify Date: 2025-08-25 10:55:23

Name	6-(Methylthio)pyrimido[5,4-d]pyrimidin-4(1H)-one
Synonyms	6-(Methylsulfanyl)pyrimido[5,4-d]pyrimidin-4(1H)-one 6-(Methylsulfanyl)pyrimido[5,4-d]pyrimidin-4-ol 6-methylsulfanyl-1H-pyrimido[5,4-d]pyrimidin-4-one pyrimido[5,4-d]pyrimidin-4(1H)-one, 6-(methylthio)- Pyrimido[5,4-d]pyrimidin-4-ol, 6-(methylthio)-

Density	1.6±0.1 g/cm3
Boiling Point	467.7±48.0 °C at 760 mmHg
Molecular Formula	C₇H₆N₄OS
Molecular Weight	194.214
Flash Point	236.6±29.6 °C
Exact Mass	194.026230
PSA	96.83000
LogP	-0.97
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.739

Hazard Codes	Xi
HS Code	2933990090

100130-05-0 structure

100130-05-0

~%

98550-19-7 structure

98550-19-7

Literature: US5821240 A1, ;

Precursor 1
100130-05-0
DownStream 1
176637-10-8

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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