ChemicalBook > CAS DataBase List > 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE

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

Product Name
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
Formula Weight
285.3
MOL File
112809-52-6.mol
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4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Property

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
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Safety

HS Code 
2933998350
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC
Product number
I820300
Product name
IsoLetrozole
Packaging
10mg
Price
$105
Updated
2021/12/16
Usbiological
Product number
281224
Product name
IsoLetrozole
Packaging
10mg
Price
$460
Updated
2021/12/16
Medical Isotopes, Inc.
Product number
59253
Product name
IsoLetrozole
Packaging
25mg
Price
$650
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0011194
Product name
4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE
Purity
95.00%
Packaging
250MG
Price
$739.2
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0011194
Product name
4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE
Purity
95.00%
Packaging
2.5G
Price
$1947
Updated
2021/12/16
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4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Chemical Properties,Usage,Production

Uses

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

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

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

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
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Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
chenyj@titansci.com
Country
China
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14103
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Chemsky(shanghai)International Co.,Ltd.
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021-50135380
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shchemsky@sina.com
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China
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Sinopharm Chemical Reagent Co,Ltd.
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86-21-63210123
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86-21-63290778 86-21-63218885
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sj_scrc@sinopharm.com
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China
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Hangzhou Yuhao Chemical Technology Co., Ltd
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0571-82693216
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+86-571-82880190
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info@yuhaochemical.com
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China
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BOC Sciences
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1-631-485-4226; 16314854226
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United States
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S.Z. PhyStandard Bio-Tech. Co., Ltd.
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Fax
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Email
3001272453@qq.com
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ProdList
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ChemStrong Scientific Co.,Ltd
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0755-0755-66853366 13670046396
Fax
0755-28363542
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sales@chem-strong.com
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Sichuan Wei Keqi Biological Technology Co., Ltd.
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028-81700200 18116577057
Fax
028-81705658
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3003855609@qq.com
Country
China
ProdList
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2Y-Chem, Ltd.
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021-51320090
Fax
86-021-51320097
Email
sales@2ychem.com
Country
China
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View Lastest Price from 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE manufacturers

Career Henan Chemical Co
Product
4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE 112809-52-6
Price
US $1.00/KG
Min. Order
1KG
Purity
85.0-99.8%
Supply Ability
200kgs
Release date
2020-01-16

112809-52-6, 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILERelated Search:


  • 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-[α-(4-cyano-phenyl)-1-(1,3,4-triazol-1-yl)-methyl]-benzonitrile
  • 4,4'-((4H-1,2,4-Triazol-4-yl)methylene)dibenzonitrile
  • 4,4'-((4H-1,2,4-Triazol-4-yl)
  • dibenzonitrile
  • Letrozole EP Impurity A
  • 4-[(4-cyanophenyl)-(1,2,4-triazol-4-yl)methyl]benzonitrile
  • 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)
  • 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