Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6,7-Dihydrothieno[3,2-d]pyrimidine-2,4-diol
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6,7-Dihydrothieno[3,2-d]pyrimidine-2,4-diol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

913581-92-7

913581-92-7 structure

Name: 6,7-Dihydrothieno[3,2-d]pyrimidine-2,4-diol
Chemical Name: 6,7-dihydro-1H-thieno[3,2-d]pyrimidine-2,4-dione
CAS Number: 913581-92-7
Molecular Formula: C₆H₆N₂O₂S
Molecular Weight: 170.189
Create Date: 2018-06-20 16:45:00
Modify Date: 2025-09-18 18:45:45

Name	6,7-dihydro-1H-thieno[3,2-d]pyrimidine-2,4-dione
Synonyms	6,7-dihydro-thieno[3,2-d]pyrimidin-2,4-diol Thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione, 6,7-dihydro- 6,7-DIHYDROTHIENO[3,2-D]PYRIMIDINE-2,4-DIOL 6,7-Dihydrothieno[3,2-d]pyrimidine-2,4(1H,3H)-dione

Density	1.7±0.1 g/cm3
Boiling Point	484.7±55.0 °C at 760 mmHg
Molecular Formula	C₆H₆N₂O₂S
Molecular Weight	170.189
Flash Point	247.0±31.5 °C
Exact Mass	170.014999
PSA	91.54000
LogP	-1.87
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.766

HS Code	2934999090

1196101-46-8

~95%

913581-92-7

Literature: BOEHRINGER INGELHEIM INTERNATIONAL GMBH; BOEHRINGER INGELHEIM PHARMA GMBH and CO. KG Patent: WO2009/140127 A2, 2009 ; Location in patent: Page/Page column 21-22 ; WO 2009/140127 A2

7400-45-5

913581-92-7

Literature: WO2013/26797 A1, ;

2689-69-2

913581-92-7

Literature: WO2013/26797 A1, ;

4900-98-5

~92%

913581-92-7

Literature: Boehringer Ingelheim International GmbH Patent: US2007/259846 A1, 2007 ; Location in patent: Page/Page column 29-30; 31 ;

Precursor 2
7400-45-5 2689-69-2
DownStream 1
74901-69-2

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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