Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Methoxyisatin
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-Methoxyisatin
Price: ￥398.0/5g ￥128.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Methoxyisatin
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

39755-95-8

39755-95-8 structure

39755-95-8 structure

Name: 5-Methoxyisatin
Chemical Name: 5-Methoxyisatin
CAS Number: 39755-95-8
Molecular Formula: C₉H₇NO₃
Molecular Weight: 177.157
Catalog: Biochemical Biochemical reagent Biological dye
Create Date: 2018-09-08 11:21:08
Modify Date: 2025-08-25 20:56:42

Name	5-Methoxyisatin
Synonyms	5-Methoxy-1H-indole-2,3-dione MFCD00169023 1H-Indole-2,3-dione, 5-methoxy- 5-Methoxyindole-2,3-dione 5-Methoxy-2,3-indolinedione EINECS 212-271-4

Density	1.3±0.1 g/cm3
Melting Point	201-203°C
Molecular Formula	C₉H₇NO₃
Molecular Weight	177.157
Exact Mass	177.042587
PSA	55.40000
LogP	0.47
Index of Refraction	1.585

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NL7938000

CHEMICAL NAME :: Indole-2,3-dione, 5-methoxy-

CAS REGISTRY NUMBER :: 39755-95-8

BEILSTEIN REFERENCE NO. :: 0139520

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H7-N-O3

MOLECULAR WEIGHT :: 177.17

WISWESSER LINE NOTATION :: T56 BMVVJ GO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 658 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 15,858,1981

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S36/37/39
RTECS	NL7938000
HS Code	2933990090

Precursor 9
6335-41-7 302-17-0 104-94-9 1006-94-6
1189052-00-3 79-37-8 20265-97-8 20357-24-8
52426-94-5
DownStream 9
109103-45-9 52508-88-0 608-07-1 3416-18-0
90417-53-1 86-68-0 7699-18-5 74588-78-6
16077-10-4

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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