Molekula
Diphenhydramine hydrochloride - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Diphenhydramine hydrochloride USP CRS is a first-generation antihistamine and anticholinergic used to treat allergies, motion sickness, and insomnia. It is also employed in cough suppressants and as a sedative. This chemical has a CAS number of 147-24-0, with the molecular formula C17H21NO·HCl and a molecular weight of 291.82. It is stored at ambient conditions, with a signal word of Warning for safety classification. Molekula supplies Diphenhydramine hydrochloride USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Undamaged packaging |
| Identification | Conforms to USP monograph |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90037940 |
| CAS Number | 147-24-0 |
| IUPAC Name | 2-benzhydryloxy-N,N-dimethylethanamine;hydrochloride |
| EC Number | 205-687-2 |
| Molecular Formula | C17H21NO·HCl |
| Molecular Weight | 291.82 |
| Exact Mass | 291.139 |
| SMILES | CN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2.Cl |
| InChIKey | PCHPORCSPXIHLZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H |
| PubChem CID | 8980 |
| REACH Code | Y110 |
| HTS Code | 29221996 |
| Tariff Code | 2922190090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H336 May cause drowsiness or dizziness
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Diphenhydramine hydrochloride USP CRS commonly used for?
Diphenhydramine hydrochloride USP CRS is primarily used as an antihistamine to treat allergies, hay fever, and the common cold, as well as an antiemetic and for motion sickness. It is also used in sleep aids due to its sedative properties.
What is the chemical formula and molecular weight of Diphenhydramine hydrochloride?
The chemical formula is **C₁₇H₂₁NO·HCl**, and the molecular weight is **291.82 g/mol**.
How should Diphenhydramine hydrochloride USP CRS be stored?
Store at **ambient temperature** in a tightly sealed container, away from light and moisture.
What grade of Diphenhydramine hydrochloride does Molekula supply?
Molekula supplies **USP CRS (Certified Reference Standard)** grade Diphenhydramine hydrochloride.
Can Molekula supply Diphenhydramine hydrochloride in bulk quantities?
Yes, Molekula can supply Diphenhydramine hydrochloride in bulk, subject to availability and order minimums.
What documentation comes with an order of Diphenhydramine hydrochloride USP CRS?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.