B2B & Wholesale Supply

Bulk USP-Grade
Methylene Blue
for Wholesale Buyers

Partner with CZTL for a consistent, documented supply of laboratory-certified Methylene Blue.

Request Wholesale Pricing View FAQ →
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Countries Served
USP
Purity Grade
CZTL MBSure 1 kg Methylene Blue Powder
Wholesale Quantities

Flexible Pack Sizes

Packed and shipped as per your requirement. Order in any quantity we configure pack size, labeling, and shipment format to match your operation.

Minimum Order
1 kg
2 x 500g units
Starter Bulk
5 kg
10 X 500g units
Best Value
10 kg
20 X 500g units
Custom Order
Any Qty
Email support@cztl.bz for volume pricing
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Heavy Metals Tested
Ultra Pure
USP Grade
CZTL — Globally Recognised for Premium Methylene Blue Powder
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Countries Shipped To
COA + SDS
With Every Shipment
Why CZTL

Built for Wholsale Buyers

Purity guarantees, global fulfilment, and complete documentation — everything a B2B buyer needs.

USP Grade Every Batch

14-element heavy metals panel by ICP-OES, tested by an ISO/IEC 17025:2017 accredited laboratory. Every batch. No exceptions.

COA and SDS with Every Shipment

Certificate of Analysis and Safety Data Sheet included automatically. No chasing documents after the order.

Multi-Country Fulfilment

Units across UK, Canada, US, Germany and Australia We ship from the closest location to reduce customs exposure and lead time.

Formaldehyde-Free

CZTL products are formaldehyde-free, ultra-high purity, and suitable for pharmaceutical, laboratory, and scientific applications.

Who We Supply

Industries Served

CZTL supplies regulated and research industries across the globe.

Scientific Experiments
Research-grade purity for lab use
Compounding Pharmacies
USP-grade with full batch documentation
Research Laboratories
USP-grade with full batch documentation
Chemical Distributors
Bulk supply with volume pricing
Veterinary Suppliers
Academic Institutions
PO and invoice-based orders
Private Label Brands
White or without labelling available
Not listed here?
Email us — we supply globally
Simple Process

How to Place a Wholesale Order

No portal, no form. Email us directly — we send a personalised quote with shipping options.

01

Email Us

Send your product, quantity, company name, and delivery country to support@cztl.bz

support@cztl.bz
02

Receive Your Quote

We send a personalised pricing quote with unit cost, shipping options, and estimated delivery to your country.

03

Confirm and We Ship

Approve the quote, pay via secure invoice, and we dispatch your order with COA and SDS documentation included.

Wholesale Enquiries

Ready to Order?

Email our trade desk with your quantity, company name, and destination. We handle the rest.

Volume discounts available  ·  COA and SDS with every shipment  ·  Global shipping

FAQ

Frequently Asked Questions

Our minimum order is 1 kg. All orders are shipped in individual 1 kg packages. There is no upper limit — contact us for pricing on large quantities.
We have manufacturing and storage units across the UK, Canada, US, India, and France. Your order is dispatched from the unit closest to your delivery address where possible, helping you avoid unnecessary import duties and customs charges.
Yes. We ship to buyers across the US, Canada, UK, EU, Australia, and beyond — over 190 countries. Shipping options and costs are confirmed in your personalised quote.
Typically within 24 business hours of receiving your enquiry. Please include your required quantity, company name, and delivery country to speed up the process.
Yes. Pricing improves with volume. Email support@cztl.bz with your required quantity and we will provide a tiered quote.
USP Grade — conforming to United States Pharmacopeia monograph standards. Every batch is independently tested for heavy metals (14-element ICP-OES panel) by an ISO/IEC 17025:2017 accredited laboratory.
CAS Number: 7220-79-3 (Methylene Blue trihydrate, USP form).
Yes. Every batch of CZTL's methylene blue comes clearly labeled and fully documented for FDA-compliant manufacturing needs. Labels include Product Name, CAS Number, Batch/Lot Number, Manufacturing Date, Expiration Date, and Distributor information. Additionally, each batch undergoes rigorous independent testing from a third-party lab. Certificates of Analysis (COAs) and Safety Data Sheets (SDS) are provided with every shipment, ensuring complete transparency and regulatory compliance.