Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
API Reference Standards

Diphenhydramine

Reference StandardAvailable on request

Order Diphenhydramine (CAS 58-73-1) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Diphenhydramine chemical structure
CAS number58-73-1
FormulaC17H21NO
Molar mass255.35 g/mol
Physical formSolid
HS code38229090
InChIKeyZZVUWRFHKOJYTH-UHFFFAOYSA-N
IUPAC name2-benzhydryloxy-N,N-dimethylethanamine

About Diphenhydramine

Analytical teams working on Diphenhydramine use Diphenhydramine as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 58-73-1, formula C17H21NO and molar mass 255.35 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302, H315 and H319. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Diphenhydramine

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

Diphenhydramine standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Diphenhydramine
Product nameDiphenhydramine
Catalogue numberZX-024304
CAS number58-73-1
IUPAC name2-benzhydryloxy-N,N-dimethylethanamine
Molecular formulaC17H21NO
Molar mass255.35 g/mol
Exact mass255.1623
GradeReference Standard
Physical formSolid
XLogP33.3
H-bond donors / acceptors0 / 2
Topological polar surface area12.5 Ų
HS code38229090
InChIKeyZZVUWRFHKOJYTH-UHFFFAOYSA-N
SMILESCN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2
PubChem CID3100
SynonymsBenzhydramine, Alledryl, Probedryl, Dihidral, Diphantine, Baramine, Dermodrin, Desentol, Dibondrin, Histaxin, Restamin, Rigidyl

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 Diphenhydramine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Diphenhydramine

Which CAS number identifies Diphenhydramine?
Diphenhydramine is registered under CAS 58-73-1. You may also see it listed as Benzhydramine, Alledryl, Probedryl. Our catalogue number for this item is ZX-024304.
What are the formula and molar mass of Diphenhydramine?
For Diphenhydramine, its formula is C17H21NO and its molar mass is 255.35 g/mol. The systematic (IUPAC) name is 2-benzhydryloxy-N,N-dimethylethanamine. InChIKey ZZVUWRFHKOJYTH-UHFFFAOYSA-N lets you match it in any structure database.
How is Diphenhydramine used in pharmaceutical QC?
Diphenhydramine is a characterised reference material linked to Diphenhydramine. 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 Diphenhydramine?
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 Diphenhydramine?
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 Diphenhydramine to my country?
Yes. Because Diphenhydramine 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 Diphenhydramine standards

More in API Reference 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.

Compare 0 of 4Compare now