Molekula
Diltiazem hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Diltiazem hydrochloride is a calcium channel blocker used in the treatment of angina, hypertension, and certain arrhythmias. It is a white to off-white crystalline powder with a molecular formula of C22H26N2O4S · HCl and a molecular weight of 450.98 g/mol. It is classified as a hazardous substance with a signal word of Danger and should be stored at 2 to 8 °C.
Molekula supplies Diltiazem hydrochloride in 1 g packs, from £61.44 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and a safety data sheet is available. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £51.20 per pack ex VAT · £61.44 inc. VAT
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 | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 13069274 |
| CAS Number | 33286-22-5 |
| IUPAC Name | [(2S,3S)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-3-yl] acetate;hydrochloride |
| EC Number | 251-443-3 |
| Molecular Formula | C22H26N2O4S · HCl |
| Molecular Weight | 450.98 |
| Exact Mass | 450.138 |
| SMILES | CC(=O)O[C@@H]1[C@@H](SC2=CC=CC=C2N(C1=O)CCN(C)C)C3=CC=C(C=C3)OC.Cl |
| InChIKey | HDRXZJPWHTXQRI-BHDTVMLSSA-N |
| InChI | InChI=1S/C22H26N2O4S.ClH/c1-15(25)28-20-21(16-9-11-17(27-4)12-10-16)29-19-8-6-5-7-18(19)24(22(20)26)14-13-23(2)3;/h5-12,20-21H,13-14H2,1-4H3;1H/t20-,21+;/m1./s1 |
| PubChem CID | 62920 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H311 Toxic in contact with skin
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Adizem
- Altiazem
- Deltazen
- Diladel
- Dilpral
- Dilrene
- Diltiazem HCl
- Dilzem
- Dilzene
- Masdil
Frequently asked questions
What is Diltiazem hydrochloride used for?
Diltiazem hydrochloride is a calcium channel blocker used in the treatment of hypertension, angina, and certain cardiac arrhythmias.
What is the chemical formula and molecular weight of Diltiazem hydrochloride?
The formula is C22H26N2O4S · HCl with a molecular weight of 450.98 g/mol.
How should Diltiazem hydrochloride be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
Can Molekula supply Diltiazem hydrochloride in bulk quantities?
Yes, Molekula can supply Diltiazem hydrochloride in bulk; please contact us for custom volume inquiries.
What documentation comes with a Diltiazem hydrochloride order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Where can I buy Diltiazem hydrochloride?
Directly from Molekula, which lists Diltiazem hydrochloride in 1 g packs from £61.44 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Diltiazem hydrochloride dangerous goods for shipping?
Yes. Diltiazem hydrochloride ships as dangerous goods: UN2811, class 6.1, packing group III.
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.