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N-But-3-enylnorbuprenorphine Base (CII)
$1,150.00 – $4,600.00USP Compound A; EP Impurity A CAS #457071-73-7 NDC #51634-1046-** -
Norbuprenorphine Hydrochloride (CII)
$1,150.00 – $4,600.00EP Impurity B CAS #209963-02-0 NDC #51634-1048-** -
2,2′-Bisbuprenorphine Base (CII)
$1,438.00 – $5,752.00EP Impurity G CAS #163597-04-4 NDC #51634-2119-** -
N-butylnorbuprenorphine (CII)
$1,438.00 – $5,752.00EP Impurity H CAS #90387-35-2 NDC #51634-2101-** -
Tetramethylfuran Buprenorphine (CII)
$1,438.00 – $5,752.00<span style="color: #000000;"><strong>OTHER NAMES:</strong></span> EP Impurity I; THF Buprenorphine <span style="color: #000000;"><strong>CAS#</strong></span> 89663-73-0 <span style="color: #000000;"><strong>NDC#</strong></span> 51634-2125-** -
19,19’ Ethenylbuprenorphine (CII)
$1,740.00 – $6,960.00<span style="color: #000000;"><strong>OTHER NAMES:</strong></span> EP Impurity F <strong><span style="color: #000000;">CAS#</span></strong> 97203-04-8 <span style="color: #000000;"><strong>NDC#</strong></span> 51634-2164-**
