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-METHOXY-1 3 3-TRIMETHYLSPIRO(INDOLINE&
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20200-59-3

20200-59-3 structure

20200-59-3 structure

Name: 5-METHOXY-1 3 3-TRIMETHYLSPIRO(INDOLINE&
Chemical Name: 5'-methoxy-1',3',3'-trimethylspiro[benzo[f]chromene-3,2'-indole]
CAS Number: 20200-59-3
Molecular Formula: C₂₄H₂₃NO₂
Molecular Weight: 357.44500
Create Date: 2016-04-15 23:13:20
Modify Date: 2025-08-23 19:01:15

Name	5'-methoxy-1',3',3'-trimethylspiro[benzo[f]chromene-3,2'-indole]
Synonyms	5'-Methoxy-1',3',3'-trimethyl-spiro[benzo[f]chromen-3,2'-indolin] 5'-methoxy-1',3',3'-trimethyl-1',3'-dihydro-spiro[benzo[f]chromene-3,2'-indole] 5-Methoxy-1,3,3-trimethyl-indolin-2-spiro-3'-<3H>-naphtho-<2,1-b>-pyran HMS647P07 MFCD00274631 5'-methoxy-1',3',3'-trimethyl-spiro[benzo[f]chromene-3,2'-indoline]

Density	1.24g/cm3
Boiling Point	541.8ºC at 760 mmHg
Melting Point	152-154ºC
Molecular Formula	C₂₄H₂₃NO₂
Molecular Weight	357.44500
Flash Point	190.9ºC
Exact Mass	357.17300
PSA	21.70000
LogP	5.44290
Vapour Pressure	8.4E-12mmHg at 25°C
Index of Refraction	1.683

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26;S36
HS Code	2934999090

35976-46-6 structure

35976-46-6

708-06-5 structure

708-06-5

~%

20200-59-3 structure

20200-59-3

Literature: Wizinger; Wenning Helvetica Chimica Acta, 1940 , vol. 23, p. 247,266

Precursor 2
35976-46-6 708-06-5
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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