Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,3,7-trimethyloxindole
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,3,7-TRIMETHYLOXINDOLE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 3,3,7-trimethyloxindole
Price: ￥Inquiry/100mg ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

19501-89-4

19501-89-4 structure

19501-89-4 structure

Name: 3,3,7-trimethyloxindole
Chemical Name: 3,3,7-trimethyl-1H-indol-2-one
CAS Number: 19501-89-4
Molecular Formula: C₁₁H₁₃NO
Molecular Weight: 175.227
Create Date: 2018-03-22 08:00:00
Modify Date: 2025-09-11 07:36:52

Name	3,3,7-trimethyl-1H-indol-2-one
Synonyms	3,3,7-Trimethyl-1,3-dihydro-2H-indol-2-one 1,3-dihydro-3,3,7-trimethyl-2H-indol-2-one 3,3,7-trimethyl-1,3-dihydro-indol-2-one 3,3,7-Trimethyl oxindole 3,3,7-Trimethyl-oxindol 2H-Indol-2-one, 1,3-dihydro-3,3,7-trimethyl- 3,3,7-trimethylindolin-2-one 3,3,7-trimethyloxindole 3,3,7-Trimethyl-indolin-2-on

Density	1.1±0.1 g/cm3
Boiling Point	299.7±39.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₃NO
Molecular Weight	175.227
Flash Point	174.5±12.0 °C
Exact Mass	175.099716
PSA	32.59000
LogP	2.64
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.533

HS Code	2933790090

23423-38-3 structure

23423-38-3

~83%

19501-89-4 structure

19501-89-4

Literature: Abd El-Aal, Hassan A.K.; Khalaf, Ali A. Arkivoc, 2013 , vol. 2013, # 4 p. 306 - 322

95-53-4 structure

95-53-4

~%

19501-89-4 structure

19501-89-4

Literature: Abd El-Aal, Hassan A.K.; Khalaf, Ali A. Arkivoc, 2013 , vol. 2013, # 4 p. 306 - 322

Precursor 2
23423-38-3 95-53-4
DownStream 0

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

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