Medicines and Healthcare products Regulatory Agency

CERTIFICATE NUMBER : UK API 11718 Insp GMP 11718/56821-0001

Certificate of GMP Compliance Of A Manufacturer(1),(2)

Part 1
Issued following an inspection in accordance with :

Regulation 331A of The Human Medicines Regulations 2012 (SI 2012/1916)

  The competent authority of United Kingdom confirms the following :
The Manufacturer : R MASON CHEMICALS LIMITED
 
Site address : R MASON CHEMICALS LIMITED, HARELAW INDUSTRIAL ESTATE, STANLEY, DH9 8UL, UNITED KINGDOM
  Other :
API manufacturer (not required API registration in UK)

From the knowledge gained during inspection of this manufacturer, the latest of which was conducted on 02/02/2022, it is considered that it complies with

  • The principles of GMP for active substances referred to in Regulation B17 and C17 of the Human Medicines Regulations 2012 (SI 2012/1916)

This certificate reflects the status of the manufacturing site at the time of the inspection noted above and should not be relied upon to reflect the compliance status if more than three years have elapsed since the date of that inspection. However, this period of validity may be reduced or extended using regulatory risk management principles by an entry in the Restrictions or Clarifying remarks field. This certificate is valid only when presented with all pages and both Parts 1 and 2. The authenticity of this certificate may be verified in MHRA-GMDP. If it does not appear, please contact the issuing authority.


  • (1) Guidance on the interpretation of this template can be found in the Help menu of MHRA-GMDP database.
  • (2) These requirements fulfil the GMP recommendations of WHO.
Part 2
Human Medicinal Products

Manufacture of active substance. Names of substances subject to inspection:

  • [3000010141] SELENIUM SULFIDE
Active Substances
3. MANUFACTURING OPERATIONS - ACTIVE SUBSTANCES
SELENIUM SULFIDE
3.1Manufacture of Active Substance by Chemical Synthesis
3.1.4  Other
Non-sterile Active Pharmaceutical Ingredient by fusion
3.5General Finishing Steps
3.5.1  Physical Processing Steps
Fusion, Annealing, Milling, Micronisation
3.5.2  Primary Packaging

3.6Quality Control Testing
3.6.1  Physical / Chemical testing

Restrictions or Remarks
Active substance manufacturer for export to MRA country (USA), in which the active substance was used in manufacturing of a topical human drug product.
Contact Details
25/03/2022 Name and signature of the authorised person of the Competent Authority of United Kingdom
Confidential
Medicines and Healthcare products Regulatory Agency
Tel : Confidential