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Ethyl cyanoglyoxylate-2-oxime

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Origin: China

Cas No: 3849-21-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 3849-21-6 Formula: C5H6N2O3 Molecular Weight: 142.11300

Description

Ethyl Cyano(hydroxyimino)acetate is used in peptide synthesis and has shown to suppress racemiztion, has high coupling efficiency in both solution and solid phase synthesis and is a non-explosive alternative to 1-hydroxybenzotriazole (HOBt) and 1-hydroxy-7-azabenzotriazole (HOAt).

Basic Info

Chemical Name	Ethyl cyanoglyoxylate-2-oxime
Synonyms	OxiMa; Ethyl cyanoximidoacetate; Ethyl Cyano(hydroxyimino)acetate; ETHYL OXIMINOCYANOACETATE; ETHYL CYANOGLYOXYLATE OXIME; ETHYL CYANOGLYOXALATE-2-OXIME; Ethyl Cyanoglyoxylate-2-Oxime; Cyano(hydroxyimino)acetic Acid Ethyl Ester; Ethyl (Hydroxyimino)cyanoacetate; Oxyma Pure; 2-Ethyloximinocyanocaetate; ETHYL ISONITROSOCYANOACETATE; Ethyl Cyanoglyoxalate Oxime;
CAS No.	3849-21-6
Molecular Formula	C5H6N2O3
Molecular Weight	142.11300
PSA	82.68000
LogP	-0.09672

Properties

Appearance & Physical State	light yellow crystals or chunks
Density	1.24 g/cm3
Boiling Point	248.9ºC at 760 mmHg
Melting Point	127-132ºC
Flash Point	104.3ºC
Refractive Index	1.495
Storage Condition	2-8ºC

Safety Info

Hazard Class	6.1
Safety Statements	S36/37
HS Code	2928000090
WGK Germany	3
Packing Group	III
RIDADR	UN 3276
Risk Statements	R20/21/22
Hazard Codes	Xn

Synthesis Route

Ethyl cyanoacetate→Ethyl cyanoglyoxylate-2-oxime
ethyl cyanoacetate anion→Ethyl cyanoglyoxylate-2-oxime
Ethyl cyanoacetate+Isoamyl Nitrite→Ethyl cyanoglyoxylate-2-oxime

Precursor

ethyl cyanoacetate anion
Isoamyl Nitrite
Ethyl cyanoacetate

Downstream Product

4-Amino-1,2,5-oxadiazole-3-carboxylic acid
Ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate
Ethyl 2-amino-2-cyanoacetate 4-methylbenzenesulfonate
ETHYL 2-AMINO-2-CYANOACETATE OXALATE H2O

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