LL-37
₹7,099 for 5 mg · ₹5,679 each in a kit of 10Next lot: notify me99.67% pure
LL-37 is a 37-amino-acid research peptide, the only member of the cathelicidin family of antimicrobial peptides made by humans.
Every size has its own label, and the photo shows the size you pick.
Size5 mg
This size is between batches
Get an email the minute it's back, an hour before we post it on WhatsApp.
When it lands: ₹7,099 a vial, or ₹5,679 each in a kit of 10.
For laboratory research use only. 21+ to order.
Certificate of analysis
- Batch
- IP-LL-261001
- Purity
- 99.67% (RP-HPLC)
- Identity
- Confirmed (Mass spectrometry)
- Endotoxin
- < 0.125 EU/mg
- Sterility
- No growth
- Analysed
- 2 October 2026
The full document has every test with its method and specification, the chromatogram, the mass spectrum and every earlier batch. The batch code above is the one printed on the vial you receive.
GMP-certified manufacturing · How we check every batch
Buy LL-37 in India
LL-37 is between batches right now. When it lands: 5 mg at ₹7,099 a vial, with up to 40% off per vial in bulk. Leave your email under the size you want and we'll tell you the day it is back. Orders ship from our own stock in India, the same day when paid by 3 pm IST, every day.
LL-37 at a glance
| Also known as | Cathelicidin |
|---|---|
| Content per vial | 5 mg |
| Form | Lyophilised powder |
| Vial | Glass vial with a flip-off cap (cap colour may vary by lot) |
| Storage | Unopened: 2 to 8 °C, away from light |
| Dissolve with | Bacteriostatic water |
| Use | Laboratory research only |
| Indigo Table | No. 15, symbol Ll, Tissue repair |
Research overview
It is part of the body's first-line defence against bacteria and also helps steer immune responses.
A 2006 review (Biochim Biophys Acta) describes its structure and how it breaks bacterial membranes.
- Durr UH et al. LL-37, the only human member of the cathelicidin family of antimicrobial peptides. Biochim Biophys Acta, 2006. PubMed 16716248
LL-37 questions
How much does LL-37 cost in India?
₹7,099 for 5 mg, per vial. In a kit of 10, 5 mg is ₹5,679 a vial. Prices include GST.
Is LL-37 available in India?
Yes. We hold LL-37 in our own stock in India and ship it from here, so there is no import, no customs wait and no foreign card payment. Prices are in rupees and include GST, and a size ships the same day when paid by 3 pm IST, every day. It is sold for laboratory research only.
Is LL-37 in stock?
Not right now. Leave your email under the size you want and we'll email you the day it is back. We don't take pre-orders.
Is there a certificate of analysis (COA) for LL-37?
Yes, published, with nothing to request. Batch IP-LL-261001 covers this size, measured 99.67% pure, analysed 2026-10-02. The certificate has every test with its method and specification, the chromatogram and the mass spectrum, and the batch code on it is the one printed on the vial.
What do I need to dissolve it?
Bacteriostatic water. Every order paid by UPI includes one 10 mL vial free. Our calculator works out the concentration.
How should I store LL-37?
Keep the unopened vial in the fridge at 2 to 8 °C, away from light.
Why is it called LL-37?
It is 37 amino acids long and starts with two leucines (L, L).
When will it arrive?
Orders paid by 3 pm IST ship the same day, every day. Delivery is free and takes 1 to 5 days after dispatch, with a tracking link by email and updates on WhatsApp.
Page updated 15 Oct 2026.