Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-METHYL-1,5,6,7-TETRAHYDRO-2H-CYCLOPENTA[B]-PYRIDIN-2-ONE
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-Cyclopenta[b]pyridin-2-one,1,5,6,7-tetrahydro-4-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20594-30-3

20594-30-3 structure

20594-30-3 structure

Name: 4-METHYL-1,5,6,7-TETRAHYDRO-2H-CYCLOPENTA[B]-PYRIDIN-2-ONE
Chemical Name: 4-Methyl-6,7-dihydro-5H-cyclopenta[b]pyridin-2-ol
CAS Number: 20594-30-3
Molecular Formula: C₉H₁₁NO
Molecular Weight: 149.19000
Create Date: 2019-02-15 23:04:49
Modify Date: 2025-09-29 19:21:09

Name	4-Methyl-6,7-dihydro-5H-cyclopenta[b]pyridin-2-ol
Synonyms	4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]-pyridin-2-one methyltetrahydroHcyclopentabpyridinone 4-methyl-6,7-dihydro-5H-[1]pyrindine-2-ol

Density	1.13g/cm3
Boiling Point	378ºC at 760mmHg
Melting Point	243-244 °C
Molecular Formula	C₉H₁₁NO
Molecular Weight	149.19000
Flash Point	220.9ºC
Exact Mass	149.08400
PSA	32.86000
LogP	1.17200
Vapour Pressure	6.51E-06mmHg at 25°C
Index of Refraction	1.562
Storage condition	2-8°C

HS Code	2933790090

141-97-9 structure

141-97-9

120-92-3 structure

120-92-3

~23%

20594-30-3 structure

20594-30-3

Literature: Lyle, Michael P. A.; Wilson, Peter D. Organic Letters, 2004 , vol. 6, # 5 p. 855 - 857

Precursor 2
141-97-9 120-92-3
DownStream 1
267242-99-9

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

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