Bioequivalence and Bioavailability Forum • Adderall: why 4 salts of Amphetamine?

Adderall: why 4 salts of Amphetamine? [Off Topic]

posted by Helmut – Vienna, Austria, 2012-05-31 20:11 (5132 d 08:00 ago) – Posting: # 8647
Views: 17,400

Dear John!

❝ When you do potency on this product (adderall XR), do you have to perform potency testing on the D and L separately (since it's 3:1 ratio) when compare between a test and reference? You know, the 5% rule...

Yep. Your product may be different in isomeric composition. Three years ago we found in Dexedrine [sic] ~4% l-amphetamine and in the test product (likely another supplier of the API) only 0.6%…

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Helmut Schütz

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Complete thread:

Adderall: why 4 salts of Amphetamine? jag009 2012-05-30 23:35
- Adderall: why 4 salts of Amphetamine? Helmut 2012-05-31 01:38
  - Adderall: why 4 salts of Amphetamine? jag009 2012-05-31 18:02
    - Adderall: why 4 salts of Amphetamine?Helmut 2012-05-31 18:11
  - Amphetamine BCS? jag009 2014-02-28 17:00
    - Amphetamine BCS? Helmut 2014-02-28 17:12
    - Amphetamine BCS? AngusMcLean 2014-02-28 18:29
- Adderall: why 4 salts of Amphetamine? Dr_Dan 2012-05-31 10:12
- Adderall: why 4 salts of Amphetamine? AngusMcLean 2014-02-28 18:18
- Adderall: why 4 salts of Amphetamine? AngusMcLean 2014-02-28 18:24