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: 5,7-dihydroxy-4-imino-2-oxochroman
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

91670-99-4

91670-99-4 structure

91670-99-4 structure

Name: 5,7-dihydroxy-4-imino-2-oxochroman
Chemical Name: 4-amino-5-hydroxy-3H-chromene-2,7-dione
CAS Number: 91670-99-4
Molecular Formula: C₉H₇NO₄
Molecular Weight: 193.15600
Create Date: 2016-11-11 03:39:04
Modify Date: 2025-10-02 12:37:51

Names
Properties

Name	4-amino-5-hydroxy-3H-chromene-2,7-dione
Synonyms	5,7-Dihydroxy-4-imino-2-oxochroman 2H-1-Benzopyran-2-one,3,4-dihydro-5,7-dihydroxy-4-imino

Density	1.59g/cm3
Boiling Point	420.7ºC at 760mmHg
Molecular Formula	C₉H₇NO₄
Molecular Weight	193.15600
Flash Point	208.2ºC
Exact Mass	193.03800
PSA	89.62000
LogP	0.75490
Index of Refraction	1.675

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.