Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6,7-DIMETHOXY-3,4-DIHYDROISOQUINOLIN-1(2H)-ONE
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6,7-DIMETHOXY-3,4-DIHYDROISOQUINOLIN-1(2H)-ONE
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: 6,7-DIMETHOXY-3,4-DIHYDROISOQUINOLIN-1(2H)-ONE
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 96.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

493-49-2

493-49-2 structure

493-49-2 structure

Name: 6,7-DIMETHOXY-3,4-DIHYDROISOQUINOLIN-1(2H)-ONE
Chemical Name: 6,7-dimethoxy-3,4-dihydro-2h-isoquinolin-1-one
CAS Number: 493-49-2
Molecular Formula: C₁₁H₁₃NO₃
Molecular Weight: 207.22600
Create Date: 2018-07-25 10:43:30
Modify Date: 2025-08-23 18:55:35

Name	6,7-dimethoxy-3,4-dihydro-2h-isoquinolin-1-one
Synonyms	6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-1-one Corydaldin 6,7-dimethoxy-3,4-dihydroisoquinolin-1(2H)-one 6,7-dimethoxy-1,2,3,4-tetrahydro-isoquinolin-1-one 6,7-dimethoxy-1-oxo-1,2,3,4-tetrahydro-isoquinoline 3,4-dihydro-6,7-dimethoxyisoquinolin-1(2H)-one Corydaldine Corydaldine [MI]

Density	1.172g/cm3
Boiling Point	468.8ºC at 760mmHg
Molecular Formula	C₁₁H₁₃NO₃
Molecular Weight	207.22600
Flash Point	237.3ºC
Exact Mass	207.09000
PSA	47.56000
LogP	1.31850
Vapour Pressure	5.83E-09mmHg at 25°C
Index of Refraction	1.537

HS Code	2933790090

Precursor 10
17889-63-3 2107-69-9 120-20-7 7693-46-1
67909-90-4 132589-67-4 35167-81-8 1745-07-9
866756-39-0 15547-61-2
DownStream 7
24456-60-8 24456-59-5 13871-59-5 26477-10-1
21560-29-2 6514-05-2 450-14-6

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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