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VANGUARD
LABORATORY
Vanguard Laboratory
[ADDRESS_REDACTED]
Olympia, Wa 98502
[PHONE_REDACTED]
Certificate of Analysis
Bacteriostatic Water Aqua Science Rec. [NAME_REDACTED] To:
Peptide Crafters
Compound: Bacteriostatic Water
Sample ID: Aqua Science Rec. [NAME_REDACTED] ID: V250827-20 002
Lot Number: 07152025
Date Reported: 9/4/2025
DAD1 A, Sig=214,4 Ref=off (9_2_2519_3 2025-09-03 16-55-51\027-21-V250827-20 002 bac water peptide D)
mAU
3500
3000
2500
2000
1500
1000
500
0
-500
0
2
4
6
8
10
12
min
6.665- BA
Analysis
Method
Result
Acceptable
Range
Pass/
Fail*
Benzyl Alcohol Content
HPLC-UV/VIS
0.11%
0.72%-1.08%
Fail
pH
AOAC 981.12
5.81
4.0-7.0
Pass
* Pass/Fail according to US Pharmacopeia <1231> limits.
Report By: [NAME_REDACTED], Laboratory Director on 9/4/2025
Approved By: Tori [NAME_REDACTED], Operations Manager on 9/4/2025
ISO
17025:2017
ACCREDITED
LABORATORY
Please consult A2LA Certificate #6377.01.01 for a list of accredited tests. Samples were received in acceptable condition. The result(s) in this
report relate only to the portion of the sample(s) tested. All analyses were performed consistent with the Vanguard Laboratory Quality Management
System. Vanguard Laboratory and its staff did not observe or participate in the sample selection process, and cannot confirm the authenticity of the
sample or its representativeness of the associated lot/batch.
vanguardlaboratory.com
[EMAIL_REDACTED]