Certificate PL-26-00351 · VIP 5 mg/mL Pen · lot PL-2610-238
VerifyCertificate page
PrymaLab
PrymaLab
PrymaLab Analytical · In-house laboratory
3705 Music Branch Rd, Ashland, KY 41102 · +1 (606) 465-9063 · prymalab.net
Certificate no.
PL-26-00351
Verification key
7WD4ZDT6
Scan or enter both at
prymalab.net/testing/verify

Certificate of Analysis · Lot release

VIP 5 mg/mL Pen

Lot PL-2610-238 · Solution · Label claim 5 mg/mL
Tested in-house by PrymaLab
In-house analytical result,
not an independent third-party test
Lot / batch number
PL-2610-238
Date made
2026-10-08
Date of analysis
2026-10-09
Date issued
2026-10-23
Retest / expiry
2028-10-08
Units in lot / sampled
227 / 2
Storage
—
Certificate type
Lot COA, 2 pages
Compound
VIP
Vasoactive intestinal peptide (1-28) amide; aviptadil
CAS number
55556-37-1
Molecular formula
C147H238N44O42S
Theoretical mass (avg.)
3,325.80 Da
Sequence
HSDAVFTDNYTRLRKQMAVKKYLNSILN-NH2
Purity · RP-HPLC, area %
99.30%
Specification ≥ 99.0% • main peak at 15.31 min
Identity · Observed Mass
3,325.91 Da
Theoretical 3,325.80 Da • +0.11 Da (33 ppm)
Overall conclusion
PASS
Meets every specification for the tests performed
TestMethodSpecificationResultConclusion
Identity (mass)LC-MS, ESI positiveTheoretical ± 1.0 Da3,325.91 DaPASS
PurityRP-HPLC, UV 214 nm, area%≥ 99.0%99.30%PASS
Largest impurityRP-HPLC, area%≤ 1.0%0.38% (RT 13.90)PASS
Assay (label claim)Assay vs label claim4.75–5.25 mg/mL4.95 mg/mLPASS
Bacterial endotoxinLAL, kinetic≤ 5.0 EU/mg0.306 EU/mgPASS
SterilityUSP <71>, 14-dayNo growthNo growthPASS

1HPLC chromatogram

Data file: PL-2610-238-HPLC.raw · Column C18, 150 × 4.6 mm · UV 214 nm
0.01%0.1%1%10%100%12131415161718Retention time (min) · stick height = area % (log scale)99.30% · 15.31 min0.38% †0.24% †0.08% †
Peak plot drawn from the integrated peak table (area %, log scale); it is not the instrument trace, which is retained in PL-2610-238-HPLC.raw. † Nominal reference retention time for the assigned impurity; the main-peak RT is observed in this lot.
PrymaLab
PrymaLab
Certificate of Analysis · continued
VIP 5 mg/mL Pen · Lot PL-2610-238 · Certificate PL-26-00351
Lot PL-2610-238
Method, peak table and approval

2HPLC method · PL-2610-238-HPLC.raw

Instrument
Waters Alliance e2695
Data System
Empower 3
Detector
UV absorbance
Detection Wavelength
214 nm
Column
C18, 150 × 4.6 mm, 3.5 µm
Mobile Phase A
0.1% TFA in water
Mobile Phase B
0.1% TFA in MeCN
Gradient
5–95% B over 25 min (linear)
Flow Rate
1.0 mL/min
Column Temperature
40 °C
Injection Volume
10 µL

3Gradient program

Time (min)% A% B
0.0955
25.0595

4Peak table

PeakRT (min)AreaArea %
113.90 †—0.38
214.70 †—0.24
315.31—99.30
416.50 †—0.08
Total—100.00
Peaks: 1 deamidation product; 2 tryptophan oxidation product; 3 main peak (VIP); 4 truncated sequence · Area % from the integrated peak table (absolute areas are not part of the lot-release export) · † nominal reference RT for the assigned impurity · Purity = main peak area ÷ total integrated area × 100, to two decimals; main peak shaded.

5Identity by mass spectrometry

Instrument
Waters SQD
Ionization / Mode
ESI, positive
Reference m/z (charge)
1109.61 (3+) · 832.46 (4+)
Deconvoluted Mass
3,325.91 Da
Theoretical Mass
3,325.80 Da
Difference
+0.11 Da (33 ppm)
Data File
PL-2610-238-MS.d
Acceptance
Within ± 1.0 Da

6Additional tests

TestPerformed byDateReport / file
Assay vs label claimPrymaLab Analytical2026-10-09—
Endotoxin (LAL, kinetic)PrymaLab Analytical2026-10-09—
Sterility (USP <71>, day-14 read-out)PrymaLab Analytical2026-10-23—
A test with no row here was not performed on this lot. Outside-laboratory reports, when used, are attached and named below.

7Review and approval

D. Reynolds
Analyst · performed the testing
Date: 2026-10-23
S. Calloway
Reviewer · checked against raw data
Date: 2026-10-23
M. Phelps
Lab Director · approved for release
Date: 2026-10-23