Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Loratadine Impurity 2
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

31251-41-9

31251-41-9 structure

31251-41-9 structure

Name: Loratadine Impurity 2
Chemical Name: 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
CAS Number: 31251-41-9
Molecular Formula: C₁₄H₁₀ClNO
Molecular Weight: 243.68800
Create Date: 2018-12-14 09:42:37
Modify Date: 2025-08-25 16:52:23

Name	8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Synonyms	8-Chloro-10 D] cycloheptan-5-one 8-Chloro-10,11-dihydro-4-aza-5 MFCD00800222 Loratadine Impurity 2

Density	1.313g/cm3
Boiling Point	433.6ºC at 760mmHg
Melting Point	90-92ºC
Molecular Formula	C₁₄H₁₀ClNO
Molecular Weight	243.68800
Flash Point	216ºC
Exact Mass	243.04500
PSA	29.96000
LogP	3.06460
Index of Refraction	1.632
Storage condition	-20?C Freezer

Hazard Codes	Xi: Irritant;
RIDADR	NONH for all modes of transport
HS Code	2933990090

Precursor 9
31255-57-9 255861-49-5 271252-79-0 7440-44-0
10026-13-8 15396-37-9 82386-90-1 82386-91-2
251353-78-3
DownStream 6
38089-93-9 38092-89-6 79794-75-5 100643-71-8
117811-12-8 119410-05-8

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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