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-METHYL-2-OXO-2H-CHROMEN-7-YLOXY)-ACETICACIDHYDRAZIDE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

57153-43-2

57153-43-2 structure

57153-43-2 structure

Name: (4-METHYL-2-OXO-2H-CHROMEN-7-YLOXY)-ACETICACIDHYDRAZIDE
Chemical Name: 2-(4-methyl-6,7-dihydrothieno[3,2-c]pyran-4-yl)acetic acid
CAS Number: 57153-43-2
Molecular Formula: C₁₀H₁₂O₃S
Molecular Weight: 212.26500
Create Date: 2018-12-03 18:59:22
Modify Date: 2025-08-27 12:44:05

Name	2-(4-methyl-6,7-dihydrothieno[3,2-c]pyran-4-yl)acetic acid

Density	1.267g/cm3
Boiling Point	383.1ºC at 760mmHg
Melting Point	92.5ºC
Molecular Formula	C₁₀H₁₂O₃S
Molecular Weight	212.26500
Flash Point	185.5ºC
Exact Mass	212.05100
PSA	74.77000
LogP	2.01070
Index of Refraction	1.557

HS Code	2934999090

5402-55-1 structure

5402-55-1

~49%

57153-43-2 structure

57153-43-2

Literature: Unterhalt; Kissenbeck Scientia Pharmaceutica, 1999 , vol. 67, # 2 p. 97 - 102

Precursor 1
5402-55-1
DownStream 0

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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