3-Chloromethyl-1,2,4-triazolin-5-one

Modify Date: 2025-08-21 19:45:41

3-Chloromethyl-1,2,4-triazolin-5-one structure	Common Name	3-Chloromethyl-1,2,4-triazolin-5-one
	CAS Number	252742-72-6	Molecular Weight	133.536
	Density	1.8±0.1 g/cm3	Boiling Point	N/A
	Molecular Formula	C₃H₄ClN₃O	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Use of 3-Chloromethyl-1,2,4-triazolin-5-one

Name	5-(chloromethyl)-1,2-dihydro-1,2,4-triazol-3-one
Synonym	More Synonyms

Density	1.8±0.1 g/cm3
Molecular Formula	C₃H₄ClN₃O
Molecular Weight	133.536
Exact Mass	133.004288
PSA	61.54000
LogP	-1.31
Vapour Pressure	7.35E-08mmHg at 25°C
Index of Refraction	1.711

Hazard Codes	Xi

Semicarbazide hydrochloride structure

Semicarbazide h...

CAS#:563-41-7

2-Chloro-1,1,1-Trimethoxyethane structure

2-Chloro-1,1,1-...

CAS#:74974-54-2

~98%

3-Chloromethyl-1,2,4-triazolin-5-one Structure

3-Chloromethyl-...

CAS#:252742-72-6

Literature: Cowden; Wilson; Bishop; Cottrell; Davies; Dolling Tetrahedron Letters, 2000 , vol. 41, # 44 p. 8661 - 8664

5-hydroxymethyl-2,4-dihydro-[1,2,4]triazol-3-one structure

5-hydroxymethyl...

CAS#:24021-90-7

~87%

3-Chloromethyl-1,2,4-triazolin-5-one Structure

3-Chloromethyl-...

CAS#:252742-72-6

Literature: Cowden; Wilson; Bishop; Cottrell; Davies; Dolling Tetrahedron Letters, 2000 , vol. 41, # 44 p. 8661 - 8664

2-Chloro-1,1,1-Trimethoxyethane structure

2-Chloro-1,1,1-...

CAS#:74974-54-2

~%

3-Chloromethyl-1,2,4-triazolin-5-one Structure

3-Chloromethyl-...

CAS#:252742-72-6

Literature: Cowden, Cameron John Patent: US2003/187274 A1, 2003 ;

N/A structure

N/A

CAS#:4426-72-6

2-Chloro-1,1,1-Trimethoxyethane structure

2-Chloro-1,1,1-...

CAS#:74974-54-2

~%

3-Chloromethyl-1,2,4-triazolin-5-one Structure

3-Chloromethyl-...

CAS#:252742-72-6

Literature: MILLENNIUM PHARMACEUTICALS, INC. Patent: WO2009/67233 A1, 2009 ; Location in patent: Page/Page column 69 ;

Precursor 3
CAS#:563-41-7 Semicarbazide h... CAS#:74974-54-2 2-Chloro-1,1,1-... CAS#:24021-90-7 5-hydroxymethyl...
DownStream 4
CAS#:172822-29-6 Ent-Aprepitant CAS#:170729-80-3 Aprepitant CAS#:1148113-53-4 (1R,2R,3R)-Apre... CAS#:83160-78-5 3-(AMINOMETHYL)...

3H-1,2,4-triazol-3-one, 5-(chloromethyl)-1,2-dihydro-

3H-1,2,4-Triazol-3-one, 5-(chloromethyl)-2,4-dihydro-

3-chloromethyl-1,2,4-triazolin-5-one

5-(Chloromethyl)-1,2-dihydro-3H-1,2,4-triazol-3-one

5-Chloromethyl-2,4-dihydro-[1,2,4]triazol-3-one

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Chloromethyl-1,2,4-triazolin-5-one
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3-Chloromethyl-1,2,4-triazolin-5-one
Price: ￥208.0/1g ￥468.0/5g
Purity: 98.0%
Delivery: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Chloromethyl-1,2,4-triazolin-5-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 5-CHLOROMETHYL-2,4-DIHYDRO-[1,2,4]TRIAZOL-3-ONE
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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