Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-METHYL-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDIN-4(3H)-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2-METHYL-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDIN-4(3H)-ONE
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

134201-14-2

134201-14-2 structure

134201-14-2 structure

Name: 2-METHYL-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDIN-4(3H)-ONE
Chemical Name: 2-methyl-5,6,7,8-tetrahydro-1H-pyrido[4,3-d]pyrimidin-4-one
CAS Number: 134201-14-2
Molecular Formula: C₈H₁₁N₃O
Molecular Weight: 165.192
Create Date: 2018-12-22 16:27:50
Modify Date: 2025-09-12 19:42:28

Name	2-methyl-5,6,7,8-tetrahydro-1H-pyrido[4,3-d]pyrimidin-4-one
Synonyms	2-Methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(1H)-one 2-METHYL-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDIN-4(3H)-ONE 2-methyl-5,6,7,8-tetrahydro-3H-pyrido<4,3-d>pyrimidin-4-one Pyrido[4,3-d]pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-methyl- 2-methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-ol

Density	1.4±0.1 g/cm3
Molecular Formula	C₈H₁₁N₃O
Molecular Weight	165.192
Exact Mass	165.090210
PSA	58.04000
LogP	0.24
Index of Refraction	1.695

HS Code	2933990090

Precursor 7
1448-40-4 3939-01-3 793-19-1 71486-53-8
143-37-3 124-42-5 108554-34-3
DownStream 0

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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