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4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE

CAS No.: 112809-52-6

Chemical Name:: 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE

Synonyms: dibenzonitrile;Iso Letrozole;AMiodarone IMpurity-B;AMiodarone IMpurity-A;Letrozole EP Impurity A;Letrozole USP iMpurities;Letrozole USP Impurity A;Letrozole Related CoMpound A;LETRAZOLE REALTED COMPOUND A;4,4'-((4H-1,2,4-Triazol-4-yl)

CBNumber:: CB8329754

Molecular Formula:: C17H11N5

Molecular Weight:: 285.3

MOL File:: 112809-52-6.mol

Modify Date:: 2023/4/23 13:52:06

Request For Quotation

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Properties

Melting point	239-243 °C
Boiling point	563.5±60.0 °C(Predicted)
Density	1.21±0.1 g/cm3(Predicted)
storage temp.	2-8°C
solubility	Chloroform (Slightly, Heated), Methanol (Slightly)
form	Solid
pka	2.48±0.10(Predicted)
color	Off-White to Pale Yellow

SAFETY

Risk and Safety Statements

HS Code	2933998350

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Chemical Properties,Uses,Production

Uses

Isoletrozole is an impurity of Letrozole (L330100). Letrozole impurity A as per USP.

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Preparation Products And Raw materials

Raw materials

Preparation Products

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Suppliers

Global( 87)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
Clickchem Research LLP	+91-8140031133 +91-8140031133	Gujarat, India	411	58	Inquiry
CLEARSYNTH LABS LTD.	+91-22-45045900	Hyderabad, India	6351	58	Inquiry
SynZeal Research Pvt Ltd	+1 226-802-2078	Gujarat, India	6522	58	Inquiry
Pharmaffiliates Analytics and Synthetics P. Ltd	+91-172-5066494	Haryana, India	6773	58	Inquiry
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	China	29798	60	Inquiry
CONIER CHEM AND PHARMA LIMITED	+8618523575427	China	49403	58	Inquiry
career henan chemical co	+86-0371-86658258 +8613203830695	China	29820	58	Inquiry
TargetMol Chemicals Inc.	+1-781-999-5354 +1-00000000000	United States	19892	58	Inquiry
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	China	23555	58	Inquiry
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Supplier	Advantage
Clickchem Research LLP	58
CLEARSYNTH LABS LTD.	58
SynZeal Research Pvt Ltd	58
Pharmaffiliates Analytics and Synthetics P. Ltd	58
Capot Chemical Co.,Ltd.	60
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
TargetMol Chemicals Inc.	58
ANHUI WITOP BIOTECH CO., LTD	58
Baoji Guokang Healthchem co.,ltd	58

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4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Iso Letrozole Letrozole USP iMpurities AMiodarone IMpurity-A AMiodarone IMpurity-B 4,4'-(1H-1,3,4-triazol-1-ylMethylene)dibenzonitrile Letrozole Related CoMpound A 4,4'-(4H-1,3,4-TRIAZOL-4-YLMETHYLENE)BIS 4,4'-((4H-1,2,4-Triazol-4-yl)methylene)dibenzonitrile 4,4'-((4H-1,2,4-Triazol-4-yl) Letrozole USP Impurity A Letrozole USP Related Compound A Benzonitrile, 4,4'-(4H-1,2,4-triazol-4-ylmethylene)bis- Letrozole EP Impurity A/ Letrozole Related Compound A (Iso Letrozole) 4-[α-(4-cyano-phenyl)-1-(1,3,4-triazol-1-yl)-methyl]-benzonitrile Letrozole EP Impurity A 4-[(4-cyanophenyl)-(1,2,4-triazol-4-yl)methyl]benzonitrile dibenzonitrile Letrozole EP Impurity A (Letrozole USP Related Compound A) Letrozole specified impurity A 4,4'-(1H-1,3,4-triazol-1-ylmethylene)dibenzonitrile/4,4'-(4H-1,2,4-Triazol-4-ylmethylene)bisbenzonitrile LETRAZOLE REALTED COMPOUND A 112809-52-6