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API Impurities Standard

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Letrozole EP Impurity A / Letrozole USP RC A / Iso Letrozole

Category: Letrozole

  • Chemical Name: 4,4?-(4H-1,2,4-Triazol-4-ylmethylene)dibenzonitrile
  • Molecular Formula: C17H11N5
  • Molecular Weight: 285.3
  • CAS Number: 112809-52-6
  • Batch Number: ALL-LET-2
  • Solubility: Methanol, DMSO
  • Storage: 2-8 °C
  • Purity by HPLC: 95% +
  • Melting Point: NA
  • Appearance: Off White Solid
  • Inventory Status:
  • Smiles Letrozole EP Impurity A / Letrozole USP RC A / Iso Letrozole, 4,4?-(4H-1,2,4-Triazol-4-ylmethylene)dibenzonitrile
Letrozole EP Impurity A / Letrozole USP RC A / Iso Letrozole
COA MSDS
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Documents: COA, HNMR, MASS, HPLC, IR, TGA analysis data will be offered along with products. Quotation validity: 4 weeks. GST applicable: 18%. Lead time depends on availability, synthesis & purification challenges. COA attached are for reference only & will be updated per release batch.

Description

Documents - COA, HNMR, 13CNMR, MASS, HPLC (by pharmacopoeia method with RT RRT results), IR and TGA will be provided with the purchase of Letrozole EP Impurity A / Letrozole USP RC A / Iso Letrozole

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Letrozole
Letrozole

Chemical Name: 4,4?-(1H-1,2,4-Triazol-1-ylmethylene)dib...

CAS No: 112809-51-5

Molecular Formula: C17H11N5

Molecular Weight: 285.3

CAT No: ALL-LET-1

Keywords: Letrozole, 4,4?-(1H-1,2,4-Triazol-1-ylme...

Inventory Status:

COA MSDS
Letrozole EP Impurity B
Letrozole EP Impurity B

Chemical Name: 4,4?,4?-Methanetriyltribenzonitrile

CAS No: 113402-31-6

Molecular Formula: C22H13N3

Molecular Weight: 319.36

CAT No: ALL-LET-3

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Inventory Status:

COA MSDS