Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2-Diphenyl-4-(2-thienylmethylene)-3,5-pyrazolidinedione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2652-81-5

2652-81-5 structure

2652-81-5 structure

Name: 1,2-Diphenyl-4-(2-thienylmethylene)-3,5-pyrazolidinedione
Chemical Name: 1,2-diphenyl-4-(thiophen-2-ylmethylidene)pyrazolidine-3,5-dione
CAS Number: 2652-81-5
Molecular Formula: C₂₀H₁₄N₂O₂S
Molecular Weight: 346.40200
Create Date: 2017-12-21 10:21:45
Modify Date: 2025-09-02 07:30:21

Name	1,2-diphenyl-4-(thiophen-2-ylmethylidene)pyrazolidine-3,5-dione
Synonyms	3,5-Pyrazolidinedione,1,2-diphenyl-4-(2-thienylmethylene) 1,2-Diphenyl-3,5-dioxo-4-thenyliden-pyrazolidin 1,2-Diphenyl-4-(2-thienylmethylene)-3,5-pyrazolidinedione 1,2-diphenyl-4-thiophen-2-ylmethylene-pyrazolidine-3,5-dione

Molecular Formula	C₂₀H₁₄N₂O₂S
Molecular Weight	346.40200
Exact Mass	346.07800
PSA	68.86000
LogP	4.25650

HS Code	2934999090

98-03-3 structure

98-03-3

2652-77-9 structure

2652-77-9

~68%

2652-81-5 structure

2652-81-5

Literature: Islam; El-Bayouki; Moharram Pharmazie, 1984 , vol. 39, # 6 p. 382 - 383

Precursor 2
98-03-3 2652-77-9
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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