Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6-Chloro-4-oxo-4H-chromene-3-carbaldehyde
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6-chloro-3-formylchromone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

42248-31-7

42248-31-7 structure

42248-31-7 structure

Name: 6-Chloro-4-oxo-4H-chromene-3-carbaldehyde
Chemical Name: 6-chloro-3-formylchromone
CAS Number: 42248-31-7
Molecular Formula: C₁₀H₅ClO₃
Molecular Weight: 208.598
Catalog: Chemical reagent Organic reagent Aromatic ketone
Create Date: 2018-03-21 08:00:00
Modify Date: 2025-08-30 08:11:56

Name	6-chloro-3-formylchromone
Synonyms	MFCD00139138 6-Chloro-4-oxo-4H-chromene-3-carbaldehyde 6-Chloro-3-formylchromone 6-chloro-4-oxochromene-3-carbaldehyde 6-Chlorochromone-3-carboxaldehyde T66 BO EVJ DVH HG 6-Chloro-4-oxo-4H-1-benzopyran-3-carboxaldehyde 475035 4H-1-Benzopyran-3-carboxaldehyde, 6-chloro-4-oxo-

Density	1.6±0.1 g/cm3
Boiling Point	351.9±42.0 °C at 760 mmHg
Melting Point	166-168 °C(lit.)
Molecular Formula	C₁₀H₅ClO₃
Molecular Weight	208.598
Flash Point	161.5±26.9 °C
Exact Mass	207.992722
PSA	47.28000
LogP	1.41
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.693

Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S37/39-S26
WGK Germany	3
HS Code	2914700090

1450-74-4 structure

1450-74-4

68-12-2 structure

68-12-2

~79%

42248-31-7 structure

42248-31-7

Literature: Su; Li; Zhao Organic Preparations and Procedures International, 2007 , vol. 39, # 5 p. 495 - 502

1163120-28-2 structure

1163120-28-2

~83%

42248-31-7 structure

42248-31-7

Literature: Karmakar, Partha; Ghosh, Tarun; Chakrabarty, Debasish; Maiti, Sourav; Bandyopadhyay, Chandrakanta Journal of Chemical Research, 2008 , # 4 p. 208 - 211

106-48-9 structure

106-48-9

~%

42248-31-7 structure

42248-31-7

Literature: Tu, Qi-Dong; Li, Ding; Sun, Yao; Han, Xin-Ya; Yi, Fan; Sha, Yibamu; Ren, Yan-Liang; Ding, Ming-Wu; Feng, Ling-Ling; Wan, Jian Bioorganic and Medicinal Chemistry, 2013 , vol. 21, # 11 p. 2826 - 2831

861296-77-7 structure

861296-77-7

68-12-2 structure

68-12-2

~53%

42248-31-7 structure

42248-31-7

Literature: Cascaval, Alexandru Liebigs Annalen der Chemie, 1980 , # 5 p. 669 - 672

133662-20-1 structure

133662-20-1

68-12-2 structure

68-12-2

~88%

42248-31-7 structure

42248-31-7

Literature: Xiang, Haoyue; Qi, Xueyu; Xie, Yuyuan; Xu, Guangyu; Yang, Chunhao Organic and Biomolecular Chemistry, 2012 , vol. 10, # 38 p. 7730 - 7738

876-27-7 structure

876-27-7

~%

42248-31-7 structure

42248-31-7

Literature: Tu, Qi-Dong; Li, Ding; Sun, Yao; Han, Xin-Ya; Yi, Fan; Sha, Yibamu; Ren, Yan-Liang; Ding, Ming-Wu; Feng, Ling-Ling; Wan, Jian Bioorganic and Medicinal Chemistry, 2013 , vol. 21, # 11 p. 2826 - 2831

Precursor 6
1450-74-4 68-12-2 1163120-28-2 876-27-7
106-48-9 861296-77-7
DownStream 9
33533-99-2 50743-20-9 68100-95-8 88021-73-2
88021-78-7 80031-01-2 918306-97-5 42059-70-1
1263273-24-0

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

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