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: 5-PYRIDIN-4-YL-1(2)H-PYRAZOLE-3-CARBOXYLIC ACID ETHYL ESTER
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

19959-81-0

19959-81-0 structure

19959-81-0 structure

Name: 5-PYRIDIN-4-YL-1(2)H-PYRAZOLE-3-CARBOXYLIC ACID ETHYL ESTER
Chemical Name: ethyl 3-pyridin-4-yl-1H-pyrazole-5-carboxylate
CAS Number: 19959-81-0
Molecular Formula: C₁₁H₁₁N₃O₂
Molecular Weight: 217.22400
Create Date: 2016-12-25 04:31:46
Modify Date: 2025-08-26 14:14:06

Name	ethyl 3-pyridin-4-yl-1H-pyrazole-5-carboxylate

Density	1.249g/cm3
Boiling Point	441ºC at 760 mmHg
Molecular Formula	C₁₁H₁₁N₃O₂
Molecular Weight	217.22400
Flash Point	220.5ºC
Exact Mass	217.08500
PSA	67.87000
LogP	1.64840
Vapour Pressure	5.63E-08mmHg at 25°C
Index of Refraction	1.579

HS Code	2933990090

723339-43-3 structure

723339-43-3

~91%

19959-81-0 structure

19959-81-0

Literature: PHARMACIA CORPORATION Patent: WO2004/58176 A2, 2004 ; Location in patent: Page/Page column 190 ;

60943-41-1 structure

60943-41-1

~%

19959-81-0 structure

19959-81-0

Literature: SIRION THERAPEUTICS, INC Patent: WO2009/70693 A2, 2009 ; Location in patent: Page/Page column 27; 43 ;

Precursor 2
723339-43-3 60943-41-1
DownStream 1
197775-45-4

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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