Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,4-Dihydro-2H-pyrano(3,2-b)pyridine
Price: Check
Purity: 96.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

GL Biochem (Shanghai) Ltd.
China
Product Name: 3,4-Dihydro-2H-pyrano（3,2-b）pyridine
Price: ￥Inquiry/1kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Jackie Yang
Email: ymbetter@glbiochem.com

Nanjing Peptide Biotech Ltd
China
Product Name: 3,4-Dihydro-2H-pyrano（3,2-b）pyridine
Price: ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg ￥Inquiry/10kg
Purity: 98.0%
Stocking Period: 7 Day
Contact: jom
Email: chenglong.fan@njpeptide.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,4-Dihydro-2H-pyrano[3,2-b]pyridine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

70381-92-9

70381-92-9 structure

70381-92-9 structure

Name: 3,4-Dihydro-2H-pyrano(3,2-b)pyridine
Chemical Name: 3,4-Dihydro-2H-pyrano[3,2-b]pyridine
CAS Number: 70381-92-9
Molecular Formula: C₈H₉NO
Molecular Weight: 135.16300
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Dihydropyridine
Create Date: 2018-12-03 17:06:30
Modify Date: 2025-08-25 13:31:05

Name	3,4-Dihydro-2H-pyrano[3,2-b]pyridine
Synonyms	3,4-dihydro-2H-pyrano[3.2-b]pyridine 2,3-dihydro-4H-pyrano<3,2-b>pyridine 2H,3H,4H-pyrano[3,2-b]pyridine 2H-Pyrano[3,2-b]pyridine,3,4-dihydro 5-Azachroman

Density	1.121 g/cm3
Boiling Point	227.407ºC at 760 mmHg
Molecular Formula	C₈H₉NO
Molecular Weight	135.16300
Flash Point	82.684ºC
Exact Mass	135.06800
PSA	22.12000
LogP	1.40660

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H319
Precautionary Statements	P305 + P351 + P338
Hazard Codes	Xn
Risk Phrases	22-36
Safety Phrases	26
RIDADR	NONH for all modes of transport
HS Code	2934999090

Precursor 2
70381-91-8 139745-90-7
DownStream 1
89479-82-3

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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