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: PYRIMIDO[5,4-D]PYRIMIDIN-4-OL
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

28285-65-6

28285-65-6 structure

28285-65-6 structure

Name: PYRIMIDO[5,4-D]PYRIMIDIN-4-OL
Chemical Name: 1H-pyrimido[5,4-d]pyrimidin-4-one
CAS Number: 28285-65-6
Molecular Formula: C₆H₄N₄O
Molecular Weight: 148.12200
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Alcohol
Create Date: 2018-12-16 11:55:14
Modify Date: 2025-08-25 13:14:01

Name	1H-pyrimido[5,4-d]pyrimidin-4-one

Density	1.68g/cm3
Boiling Point	371.9ºC at 760 mmHg
Molecular Formula	C₆H₄N₄O
Molecular Weight	148.12200
Flash Point	178.7ºC
Exact Mass	148.03900
PSA	71.79000
LogP	0.12540
Vapour Pressure	1E-05mmHg at 25°C
Index of Refraction	1.814

HS Code	2933990090

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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