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Coumarin 334

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Origin: China

Cas No: 55804-67-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 55804-67-6 Formula: C17H17NO3 Molecular Weight: 283.32200

Basic Info

Chemical Name	Coumarin 334
Synonyms	coumarin C334; 10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11-one; F0348-0071; 10-acetyl-2,3,6,7-tetrahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11(5H)-one; 10-acetyl-2,3,6,7-tetrahydro-1H,5H,11H-{1}benzopyrano{6,7,8-ij}quinolizin-11-one; 9-Acetyl-2,3,5,6-tetrahydro-1H,4H-11-oxa-3a-aza-benzo[de]anthracen-10-one; Coumarin 521;
CAS No.	55804-67-6
Molecular Formula	C17H17NO3
Molecular Weight	283.32200
PSA	50.52000
LogP	2.75940

Properties

Appearance & Physical State	orange crystalline powder
Density	1.33g/cm3
Boiling Point	559.8ºC at 760mmHg
Melting Point	181-184ºC
Flash Point	292.4ºC
Refractive Index	1.647

Safety Info

Safety Statements	S26-S37/39
HS Code	2934999090
WGK Germany	3
Risk Statements	R20/21/22; R36/37/38
Hazard Codes	Xn

Synthesis Route

8-HYDROXYJULOLIDINE-9-ALDEHYDE+Ethyl acetoacetate→Coumarin 334
3-Methoxyaniline→Coumarin 334
8-methoxy-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline→Coumarin 334

Precursor

8-HYDROXYJULOLIDINE
3-Methoxyaniline
Ethyl acetoacetate
8-methoxy-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline

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