Letrozole Impurity-D

Name: Letrozole Impurity-D
Brand: Zemixal
SKU: ZX-004881

Reference StandardIn stock

Order Letrozole Impurity-D (CAS 10466-37-2) online at Zemixal: C15H10N2, COA and SDS with every lot, worldwide shipping.

Pack sizes

CAS number10466-37-2

FormulaC₁₅H₁₀N₂

Molar mass218.25 g/mol

Physical formSolid

HS code38229090

InChIKeyQHPFUQAZWHBITN-UHFFFAOYSA-N

IUPAC name4-[(4-cyanophenyl)methyl]benzonitrile

About Letrozole Impurity-D

Letrozole Impurity-D belongs to the Letrozole reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 10466-37-2, formula C15H10N2 and molar mass 218.25 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Letrozole

See every impurity, metabolite and related compound we list for this API.

Letrozole standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Letrozole Impurity-D
Product name	Letrozole Impurity-D
Catalogue number	ZX-004881
CAS number	10466-37-2
IUPAC name	4-[(4-cyanophenyl)methyl]benzonitrile
Molecular formula	C₁₅H₁₀N₂
Molar mass	218.25 g/mol
Exact mass	218.0844
Grade	Reference Standard
Physical form	Solid
XLogP3	3.1
H-bond donors / acceptors	0 / 2
Topological polar surface area	47.6 Å²
HS code	38229090
InChIKey	QHPFUQAZWHBITN-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1CC2=CC=C(C=C2)C#N)C#N
PubChem CID	300442
Synonyms	4,4'-Methylenebis[benzonitrile], 4,4'-Methylenedibenzonitrile, 4,4'-(methylene)bis-benzonitrile, Letrozole Impurity D, 4,4'-Dicyanodiphenylmethane, 4,4'-Methylenebisbenzonitrile, 4,4'-(1-methylene) bis-Benzonitrile, 4,4'-(1-methylene), Letrozole impurity 01, 4,4''-Methylenedibenzonitrile, Benzonitrile,4,4'-methylenebis-, 4,4'-(1-Methylene)bis-benzonitrile

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Letrozole Impurity-D
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Letrozole Impurity-D

Which CAS number identifies Letrozole Impurity-D?

Letrozole Impurity-D is registered under CAS 10466-37-2. You may also see it listed as 4,4'-Methylenebis[benzonitrile], 4,4'-Methylenedibenzonitrile, 4,4'-(methylene)bis-benzonitrile. Our catalogue number for this item is ZX-004881.

What are the formula and molar mass of Letrozole Impurity-D?

For Letrozole Impurity-D, its formula is C15H10N2 and its molar mass is 218.25 g/mol. The systematic (IUPAC) name is 4-[(4-cyanophenyl)methyl]benzonitrile. InChIKey QHPFUQAZWHBITN-UHFFFAOYSA-N lets you match it in any structure database.

How is Letrozole Impurity-D used in pharmaceutical QC?

Letrozole Impurity-D is a characterised reference material linked to Letrozole. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Letrozole Impurity-D?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Letrozole Impurity-D?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Letrozole Impurity-D to my country?

Yes. Because Letrozole Impurity-D is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Letrozole standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list