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

504-77-8

504-77-8 structure

504-77-8 structure

Name: 4,5-dihydrooxazole
Chemical Name: Oxazoline
CAS Number: 504-77-8
Molecular Formula: C₃H₅NO
Molecular Weight: 71.07790
Create Date: 2018-09-15 12:02:27
Modify Date: 2025-09-18 11:50:01

Name	Oxazoline
Synonyms	4,5-dihydro-1,3-oxazol 4,5-dihydro-1,3-oxazole 4,5-Dihydro-oxazol 2-H-2-oxazoline 2-oxazoline 4,5-dihydrooxazole

Density	1.13g/cm3
Boiling Point	73.8ºC at 760mmHg
Melting Point	168-172ºC
Molecular Formula	C₃H₅NO
Molecular Weight	71.07790
Flash Point	5.2ºC
Exact Mass	71.03710
PSA	21.59000

HS Code	2934999090

693-06-1 structure

693-06-1

~68%

504-77-8 structure

504-77-8

Literature: Smith, Forrest T.; Atigadda, Ram V. Journal of Heterocyclic Chemistry, 1991 , vol. 28, # 7 p. 1813 - 1816

24589-68-2 structure

24589-68-2

~%

504-77-8 structure

504-77-8

Literature: Levine, Mindy; Kenesky, Craig S.; Zheng, Shengping; Quinn, Jordan; Breslow, Ronald Tetrahedron Letters, 2008 , vol. 49, # 40 p. 5746 - 5750

119072-55-8 structure

119072-55-8

141-43-5 structure

141-43-5

~%

504-77-8 structure

504-77-8

Literature: Saegusa,T.; Ito,Y. Synthesis, 1975 , p. 291 - 300

Precursor 3
693-06-1 24589-68-2 141-43-5
DownStream 4
103863-14-5 67305-72-0 62626-73-7 62626-72-6

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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