Chemotechnique

Announcements

CURRENT AS OF: 03/16/2026

Temporarily Unavailable

  • I-002 Isoeugenol 2.0% pet is temporarily unavailable as a single hapten and in series B-1000 & F-1000.
  • B-003B Benzisothiazolinone 0.1% pet is temporarily unavailable as a single hapten and in series S-1000 & O-1000.
  • D-031 Disperse Orange 1 1.0% pet is temporarily unavailable as a single hapten and in series TF-1000.
  • E-023 Ethyl Cyanoacrylate 10% pet is temporarily unavailable as a single hapten and in series AC-1000, IMP-1000, MA-1000 & MN-1000.
  • L-003 Hydroxyisohexyl 3-cyclohexene carboxaldehyde (Lyral) 5% pet is temporarily unavailable as a single hapten and in series AC-1000, F-1000, NAC-80, NAE-65 & S-1000.

Now Available

  • A-002 Hydroabietyl alcohol 10.0% pet is now available as a single hapten and in series C-1000 and PG-1000.
  • P-005 Phenol formaldehyde resin (PFR2) 1.0% pet is now available as a single hapten and in Plastic & Glues Series PG-1000.
  • MX-29A Compositae Mix II 5.0% pet is now available as a single hapten and continues to be available in series: NA-1000, NAC-80, AC-1000 and PD-1000.
  • T-032 Taraxacum Officinale extract 2.5% pet is now available as a single hapten and continues to be available in series: PL-1000.
  • L-008 Lead(II)chloride 0.2% aq is now available as a single hapten and in series METE-1000.
  • P-008 Phenyl Mercuric Acetate 0.01% aq is now available as a single hapten.
  • H-020B Benzophenone-10 / (2-Hydroxy-4-methoxy-4′-methylbenzophenone) 10.0% pet is now available as a single hapten and in series PP-1000 and SU-1000.
  • PD-1000 Pediatric Baseline Series is now available as a new Screening Series.
  • MX-32 Textile dye mix II 1.6% pet is now available as a single hapten and in series NA-1000, NAC-80, S-1000 & TF-1000
  • T-009 Toluene-2,4-diisocyanate (TDI) 2.0% pet is now available as a single hapten and in series I-1000
  • E-027 ETHYLHEXYLGLYCERIN 5.0% pet is now available as a single hapten and in series C-1000, AC-1000.
  • H-013 Bisphenol A glycerolate dimethacrylate (BIS-GMA) 2.0% pet is now available as a single hapten and in series DMP-1000, DMS-1000, DS-1000, MA-1000 & MN-1000.
  • P-043 Polyaminopropyl Biguanide 2.5% aq is now available as a single hapten and in the Cosmetic Series C-1000.
  • A-014 AMYL CINNAMAL 2.0% pet is now available as a single hapten and in series F-1000.
  • C-059 Carmine 2.5% pet
  • I-002 Isoeugenol 2.0% pet

Discontinued

  • I-010A Ibuprofen 10.0% pet has been discontinued and is no longer available as a single hapten and removed from the Cutaneous Adverse Drug Series CAD-1000.
  • C-043 Ciprofloxacine hydrochloride 10.0% pet has been discontinued and is no longer available as a single hapten and removed from the Cutaneous Adverse Drug Series CAD-1000.
  • MX-27 Thiourea Mix 1.5% pet has been discontinued and is no longer available.
  • E-010 Ethyl paraben 3.0% pet has been discontinued and is no longer available.
  • D-012 Dimethylol dihydroxy ethylene urea 4.5% aq is discontinued as a single hapten and removed from Textile Colours & Finish Series TF-1000.
  • MX-30 Textile dye mix 6.6% pet is discontinued. It will no longer be available as a single hapten or in series S-1000 & TF-1000.
  • H-029 Hydrochlorothiazide 10.0% pet is discontinued. It will no longer be available as a single hapten or in Cutaneous Adverse Drug Series CAD-1000.
  • MX-16 Ethyleneurea, melamine formaldehyde mix 5% pet is discontinued as a single hapten and in series TF-1000, NAC-80, and AC-1000 starting 1 February 2024.
  • NAE-65 series is discontinued starting 1 February 2024.
  • S-008 Styrax 2.0% pet is discontinued as a single hapten and in series F-1000 starting 26 October 2023.
  • D-028 Disperse Blue 85 is discontinued starting 5 October 2023. The affected series is Textile Colours & Finish Series TF-1000.
  • A-013 Ammonium tetrachloro-platinate(II) 0.25% aq is discontinued starting 5 December 2022.
  • M-005 Mercury 0.5% is discontinued starting 16 February 2023.
  • C-016 Coal tar 5.0% pet is discontinued starting 16 February 2023

Changed

  • CAD-1000 Cutaneous Adverse Drug Reaction Series is revised to 28 haptens.
    • I-010A, C-043, H-029 deleted from series
    • CAD-29, CAD-30 & CAD-31 deleted from the series
    • CAD-13: L-009 replaces C-043 (previously CAD-30)
    • CAD-25: C-053 replaces H-029 (previously CAD-31)
  • I-1000 Isocyanate series will no longer be supplied in a tray due to the limited number of haptens.
  • MX-32 Textile dye mix II is revised to 1.6% pet to reflect the active ingredient concentration.
  • D-027 Disperse Blue 35 is revised to 0.1% pet to reflect the active ingredient concentration.
  • D-031 Disperse Orange 1 is revised to 0.15% pet to reflect the active ingredient concentration.
  • D-034 Disperse Red 1 is revised to 0.4% pet to reflect the active ingredient concentration.
  • D-035 Disperse Red 17 is revised to 0.4% pet to reflect the active ingredient concentration.
  • D-036 Disperse Yellow 3 is revised to 0.4% pet to reflect the active ingredient concentration.
  • D-040 Disperse Blue 106 is revised to 0.25% pet to reflect the active ingredient concentration.
  • D-041 Disperse Blue 124 is revised to 0.25% pet to reflect the active ingredient concentration.
  • MX-26 Disperse Blue 106/124 Mix is revised to 0.25% pet to reflect the active ingredient concentration.
  • TF-1000 Textile Colours & Finish Series is revised to 28 haptens.
    • TF-8: D-012 is replaced by D-051 (previously TF-31)
    • TF-12: MX-16 is replaced by A-027 (previously TF-30)
    • TF-15: D-028 is replaced by R-011B (previously TF-29)
    • TF-29, TF-30 & TF-31 positions are deleted from the series.
  • MX-32 Textile dye mix II 1.6% pet will replace MX-30 Textile dye mix 6.6% pet in series S-1000 & TF-1000 from December 10, 2024.
  • NA-1000 North American Baseline Series 2024 edition is now available.
  • NAC-80 North American Comprehensive (NAC-80) series 2024 edition is now available.
  • A-010 Ammonium hexachloro-platinate(IV) 0.1% aq will replace A-013 Ammonium tetrachloro-platinate(II) 0.25% aq in series IMP-1000 & MET-1000 starting 5 December 2022.
  • M-022 Mercury(II)amidochloride will replace M-005 Mercury in the series below:
    • DMP-1000 (position 12)
    • DMS-1000 (position 8)
    • DS-1000 (position 11)
    • IMP-1000 (position 15)
    • MET-1000 (position 9)

Major Series Updates

2025 introduction of a new Pediatric Baseline Series (PD-1000)

In a significant stride towards advancing dermatological research and enhancing patient care, the North American Series (NA-1000 and NAC-80) used for baseline patch testing have undergone major updates.

The 2024 version of the series introduces a new format of placing all non-liquid haptens in alphabetical order by article number. The 10 liquid haptens are all placed on a single Patch Test Unit to facilitate application.

Please consult the 2024 Catalogue Amendments for specific deletions and additions. The North American Extended (NAE-65) series is no longer available.

Pediatric Baseline Series (PD-1000, 40 haptens)

February 1st 2025: New Pediatric Baseline Series PD-1000 specifically designed for children aged 6–18 years. This series is based on expert recommendations and aims to address the unique needs of diagnosing allergic contact dermatitis (ACD) in the pediatric population. The haptens selected for this series are grounded in clinical relevance and prevalence, ensuring optimal diagnostic outcomes and includes 40 core haptens most commonly associated with pediatric ACD.

North American 80 Comprehensive Series (NAC-80, 80 haptens)

For 2024, 22 haptens have been replaced in the North American Comprehensive NAC-80 series with haptens that are showing increased potential for diagnosing patient reaction.

North American Baseline Series (NA-1000, 60 haptens)

For 2024, North American Baseline NA-1000 series, 10 haptens have been replaced and an additional 10 have been added making a total of 60 haptens in this series.

Conferences

2026 AAAAI Annual Meeting

American Academy of Allergy, Asthma & Immunology

Date

February 27th -March 2nd, 2026

Venue

DLI/Chemotechnique Booth # 1022

Pennsylvania Convention Center
1101 Arch Street Philadelphia, PA 19107

Event Website: https://annualmeeting.aaaai.org/

2026 AAD Annual Meeting

American Academy of Dermatology

Date

March 27th – 31st, 2026

Venue

DLI/Chemotechnique Booth # 1943

Colorado Convention Center
700 14th Street Denver, CO 80202

Event Website: https://www.aad.org/member/meetings-education/am26