Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Methyl-2H-1-benzopyran-3-carbaldehyde
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Methyl-2H-1-benzopyran-3-carbaldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
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Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2-Methyl-2H-1-benzopyran-3-carbaldehyde
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

57543-42-7

57543-42-7 structure

57543-42-7 structure

Name: 2-Methyl-2H-1-benzopyran-3-carbaldehyde
Chemical Name: 2-Methyl-2H-chromene-3-carbaldehyde
CAS Number: 57543-42-7
Molecular Formula: C₁₁H₁₀O₂
Molecular Weight: 174.19600
Create Date: 2016-06-15 04:30:55
Modify Date: 2025-08-26 17:43:12

Name	2-Methyl-2H-chromene-3-carbaldehyde
Synonyms	BB_NC-0837 3-formyl-2-methyl-2H-chromene 2-Methyl-2H-1-benzopyran-3-carboxaldehyde 2H-1-BENZOPYRAN-3-CARBOXALDEHYDE,2-METHYL

Density	1.2g/cm3
Boiling Point	302.4ºC at 760 mmHg
Molecular Formula	C₁₁H₁₀O₂
Molecular Weight	174.19600
Flash Point	140.7ºC
Exact Mass	174.06800
PSA	26.30000
LogP	2.04980
Index of Refraction	1.619

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2250500

CHEMICAL NAME :: 2H-1-Benzopyran-3-carboxaldehyde, 2-methyl-

CAS REGISTRY NUMBER :: 57543-42-7

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H10-O2

MOLECULAR WEIGHT :: 174.21

WISWESSER LINE NOTATION :: T66 BO CHJ C1 DVH

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 :: 800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 11,81,1976

HS Code	2912190090

90-02-8 structure

90-02-8

123-73-9 structure

123-73-9

~61%

57543-42-7 structure

57543-42-7

Literature: Sadanandam, Palle; Sathaiah, Nomula; Jyothi, Vantikommu; Chari, Murugulla A.; Shobha, Donthabakthuni; Das, Parthasarathi; Mukkanti, Khagga Letters in Organic Chemistry, 2012 , vol. 9, # 9 p. 683 - 690

Precursor 2
90-02-8 123-73-9
DownStream 0

HS Code	2912190090
Summary	2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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