a.ostergaard97/100
Asked for the chromatogram instead of the summary figure and got the real trace, legible, integration visible. They send it without hesitating.
SGN — Sangon Biotech (Shanghai) Co., Ltd.
Shanghai, CN · established 2004. The index holds 230 assay reports across 49 batches and 26 compounds, contributed by 6 laboratories. Every figure below is computed from those records and from nothing else.
Where SGN sells
Sangon Biotech (Shanghai) Co., Ltd. sells from its own storefront. The link is marked nofollow and sponsored: it exists so the figures on this scorecard can be read against what the supplier itself publishes. The index is paid nothing for it and a link is not an assessment.
Every figure above describes lots the index has seen. It says nothing about the lot you are offered, and the only check that does is the one on the certificate against the vial.
Block 1
Identification
Business facts, held constant across the index and not derived from the data. The index sells nothing and takes no supplier payment for placement; the storefront link below is marked nofollow and sponsored so a record can be checked against the seller, and is not a recommendation.
- Legal name
- Sangon Biotech (Shanghai) Co., Ltd.
- Short code in this index
- SGN
- Also known as
- SGN · SGN Biotech · Sangon Biotech (Shanghai)
- Domain
- sangonbio.com →
- City
- Shanghai
- Region
- Shanghai
- Country
- CN
- Established
- 2004
- First record in index
- 19 Jan 2024
- Most recent record
- 20 Aug 2026
Block 1b
Dispatch and warehouses
Where the supplier holds regional stock. Material assayed by the index is dispatched from these locations, not from the manufacturing site.
- Netherlands (Rotterdam) — European Union, 2-4 days
- Germany (Hamburg) — Germany, Austria, Switzerland, 2-4 days
- United Kingdom (London) — United Kingdom & Ireland, 2-3 days
- United States (California) — United States, 2-4 days
- Canada (Toronto) — Canada, 3-5 days
- Australia (Melbourne) — Australia & New Zealand, 3-5 days
Block 2
Headline statistics
Each figure carries the n it was computed from. The n= badge next to a statistic is the number of records it was computed from. Below n=8 the badge is amber. Below n=3 the statistic is suppressed and the individual values are shown instead.
Median purity
98.40%
n=230
Interquartile range
0.82pp
n=230
10th percentile
97.54%
n=230
Pass rate vs index spec
71.7%
n=230
Median recovery vs claim
99.0%
n=148
Median water
4.64%
n=230
Median |mass error|
2.4ppm
n=182
Records carrying a flag
77.8%
n=230
Block 3
Reproducibility across independent tests of one lot
Where the same physical lot was assayed more than once, the spread between those results is a property of the material and the fill, not of the market. It is the rarest and most informative statistic on this page, and it exists only for lots someone tested twice.
Median within-batch spread
0.94pp
n=30
Index median spread
0.95pp
n=20
Lots tested 3+ times
30
n=49
Across the 30 SGN lots in the index with three or more independent assays, the median spread between the highest and lowest purity result on one lot is 0.94 pp. Interpreting that number requires the laboratory repeatability figures: the best contributing laboratory here repeats to 0.16 pp and the worst to 0.34 pp, so a within-lot spread under about 0.5 pp is indistinguishable from measurement noise and a spread above 1 pp is a statement about the material.
Block 4
Supplier certificate against independent measurement
The supplier's own COA purity figure for a lot, minus the median of the index's independent observations of the same physical lot. Positive means the certificate reads higher than the measurement. Rule AX-R05 fires above 1.5 pp.
Median COA divergence
+0.41pp
n=49
Index median divergence
+0.31pp
n=20
Divergences in the supplier's favour
94%
n=49
Divergences beyond 1 pp
2%
n=49
Block 5
Provenance — where the tested material came from
Supplier-supplied samples are weaker evidence than independently purchased ones, because the supplier chose the vial. The index measures the size of that effect rather than assuming it.
Buyer-sourced median
98.09%
n=48
Supplier-supplied median
98.53%
n=170
Supplier-supplied share of records
73.9%
n=230
Block 6
Documentation completeness
The score is not an opinion about paperwork. Each component is the share of SGN batches in the index whose certificate carries that field, weighted as set out on the scoring rubric.
Documentation score
72/100
n=49
Index median score
79/100
n=20
| Certificate field | Batches carrying it | Rubric weight | |
|---|---|---|---|
| Purity figure stated | 100% | 25 points | |
| Analytical method stated (column, gradient, wavelength) | 69% | 25 points | |
| Peptide content stated | 49% | 20 points | |
| Endotoxin stated | 31% | 15 points | |
| Named impurities rather than a total | 29% | 15 points |
Block 7
Coverage by compound
The delta column is this supplier's median minus the index-wide median for the same compound, which is the only comparison worth making: comparing a supplier's aggregate against another supplier's aggregate compares their product mixes as much as their process control.
| Compound | Class | Reports | Median % | Index median % | Δ (pp) | Index spec | Pass % |
|---|---|---|---|---|---|---|---|
| Tirzepatide | Incretin | 36 | 97.94 | 98.44 | -0.50 | 97.0 | 92 |
| Semaglutide | Incretin | 32 | 98.09 | 98.87 | -0.78 | 97.0 | 100 |
| GHRP-6 | Growth-hormone | 20 | 98.71 | 99.65 | -0.94 | 99.0 | 30 |
| N-Acetyl Semax Amide | Neuroactive | 20 | 98.89 | 99.26 | -0.38 | 98.5 | 85 |
| PT-141 (Bremelanotide) | Melanocortin-receptor | 19 | 98.32 | 99.31 | -1.00 | 98.5 | 16 |
| BPC-157 | Tissue-repair | 17 | 98.55 | 99.15 | -0.60 | 98.0 | 94 |
| Melanotan II | Melanocortin-receptor | 16 | 98.62 | 99.24 | -0.62 | 98.5 | 63 |
| SLU-PP-332 | Non-peptide | 12 | 98.29 | 98.69 | -0.39 | 98.0 | 75 |
| CJC-1295 with DAC | Growth-hormone | 8 | 98.42 | 98.79 | -0.37 | 97.5 | 100 |
| Afamelanotide | Melanocortin-receptor | 6 n=6 | 98.43 | 99.28 | -0.85 | 98.0 | 67 |
| Triptorelin | Hypothalamic | 6 n=6 | 98.40 | 98.47 | -0.06 | 98.5 | 33 |
| Selank | Neuroactive | 5 n=5 | 98.29 | 99.13 | -0.84 | 99.0 | 0 |
| Sermorelin | Growth-hormone | 5 n=5 | 98.75 | 98.94 | -0.19 | 98.0 | 100 |
| SS-31 (Elamipretide) | Metabolic | 4 n=4 | 97.07 | 99.42 | -2.35 | 98.5 | 0 |
| IGF-1 LR3 | Growth-hormone | 4 n=4 | 97.64 | 97.75 | -0.11 | 95.0 | 100 |
| MGF | Growth-hormone | 3 n=3 | 99.06 | 98.73 | +0.33 | 97.5 | 100 |
| CJC-1295 (no DAC) | Growth-hormone | 3 n=3 | 98.26 | 98.61 | -0.35 | 98.0 | 67 |
| Thymosin α1 | Tissue-repair | 2 n=2 | n<3 | 99.11 | — | 97.5 | 100 |
| ARA-290 | Tissue-repair | 2 n=2 | n<3 | 99.45 | — | 98.0 | 50 |
| TB-500 | Tissue-repair | 2 n=2 | n<3 | 99.47 | — | 98.5 | 100 |
| Ipamorelin | Growth-hormone | 2 n=2 | n<3 | 99.48 | — | 99.0 | 50 |
| Liraglutide | Incretin | 2 n=2 | n<3 | 99.02 | — | 97.5 | 100 |
| GHK-Cu | Tissue-repair | 1 n=1 | n<3 | 98.54 | — | 97.0 | 100 |
| Kisspeptin-10 | Melanocortin-receptor | 1 n=1 | n<3 | 99.27 | — | 98.5 | 0 |
| Epitalon | Short | 1 n=1 | n<3 | 98.63 | — | 99.0 | 100 |
| L-Glutathione (reduced) | Short | 1 n=1 | n<3 | 99.00 | — | 98.5 | 100 |
Full per-compound breakdown with distributions and caveats →
Block 8
Quarterly trend
Submission volume is not market share and a quarterly median is not a trend unless the compound mix held still. Both caveats apply to every row below.
Median purity by quarter
Quarters with fewer than two purity records are gaps in the line rather than zeroes.
Coverage growth
Records added per quarter. Growth here is index coverage, not supplier volume.
| Quarter | Batches | Reports | Median purity | Range | Flagged |
|---|---|---|---|---|---|
| 2024-Q1 | 1 | 5 | 99.17 | 98.40–99.59 | 5 |
| 2024-Q2 | 1 | 10 | 98.31 | 97.53–99.37 | 10 |
| 2024-Q3 | 2 | 11 | 98.51 | 97.31–99.02 | 10 |
| 2024-Q4 | 6 | 21 | 98.32 | 97.53–99.91 | 14 |
| 2025-Q1 | 6 | 40 | 98.12 | 97.08–99.25 | 36 |
| 2025-Q2 | 6 | 20 | 98.41 | 97.60–99.77 | 17 |
| 2025-Q3 | 11 | 49 | 98.38 | 96.30–99.79 | 39 |
| 2025-Q4 | 4 | 13 | 98.24 | 96.77–99.56 | 9 |
| 2026-Q1 | 3 | 14 | 98.98 | 98.06–99.93 | 5 |
| 2026-Q2 | 8 | 45 | 98.53 | 96.85–99.41 | 32 |
| 2026-Q3 | 1 | 2 | n<3 | 98.92–99.19 | 2 |
Block 9
Which laboratory produced these numbers
Laboratories disagree with each other by a measured amount. A supplier tested mostly by one laboratory carries that laboratory's offset in its aggregate, and the adjusted column removes it.
| Laboratory | Reports | Median purity | Lab bias (pp) | Bias-adjusted |
|---|---|---|---|---|
| Janoshik | 114 | 98.37 | +0.00 | 98.37 |
| PeptideMeter | 46 | 98.38 | -0.05 | 98.43 |
| Medutest | 28 | 98.56 | +0.08 | 98.48 |
| VendorInvestigate | 16 | 98.08 | -0.11 | 98.19 |
| Nordanalyt | 14 | 98.59 | +0.02 | 98.57 |
| Kestrel | 12 | 98.62 | +0.24 | 98.38 |
Bias figures are estimated from paired same-lot comparisons and are published with their confidence intervals on inter-lab agreement.
Block 10
What this data does and does not show
Block 11
On-the-record reviews 26
Reviews are signed statements from index contributors about their own testing of this supplier's material. They are opinions attached to evidence, and they are not used in any statistic on this page.
96.0/ 100573 ratings across the index network
er.adeyemi93/100
Reliable on the general catalogue lines. Purity figures cluster tightly and the certificates match the lots.
l.lokken93/100
Good communication throughout, accurate lead time, and the parcel arrived on day 3.
m.beaulieu97/100
Pleased to find they hold stock in the United Kingdom. Domestic dispatch, day 3, no customs step at all.
m.salgado97/100
Lot code on the vial matched the lot code on the certificate exactly. Sounds basic; it is the single best predictor of everything else.
c.halonen93/100
Fair pricing for the documentation standard, and delivery landed on day 5 as quoted.
n.malinowski97/100
Every certificate I have from them is lot-specific. Not one batch-level document in 9 orders.
f.lokken93/100
Third order and it went the same way as the first two. Predictable in the way you want a supplier to be.
h.zamora97/100
Queried the related-substances total on lot SGN-24-761; they came back with method, column and detection limit. That depth is rare.
da.nilsen93/100
Ordered AOD-9604 5 mg twice. Both vials reconstituted cleanly and both matched their certificates.
na.laurent93/100
Everything about the order was routine in the best sense — quoted 4 days, arrived in 3.
h.wikstrom97/100
Ordered on a Monday from their warehouse in Germany and it was here by day 2. That is the whole case for regional stock.
p.kjaer97/100
The retatrutide 5 mg arrived on day 4 with the cold pack intact and the seal unbroken. Straightforward, exactly as described.
r.malinowski97/100
Asked a genuinely technical question about pre-dispatch storage and got a reply with numbers in it, inside 8 hours.
i.asante97/100
Peptide content reported at 99.6% alongside the purity figure, so I could convert straight to a working mass.
p.hovland93/100
Solid on the BPC-157 10 mg. Purity where it should be, transit 2 days, paperwork in order.
h.batista97/100
Stock said available, stock was available, and it shipped the same day. That sequence is not as common as it should be.
as.novak97/100
Their warehouse in the United States carries the lines I reorder, so there is no wait on a factory run. Day 4 every time.
r.lindholm93/100
Straightforward order, arrived as described, documentation adequate and complete. Nothing to add, which is the point.
an.lindqvist97/100
Dispatched from their warehouse in Canada rather than from the factory, so the semax 10 mg was with me on day 4.
ah.novak97/100
Their raw material tested 98.3% against a reseller vial of nominally the same compound at 98.1%. Going direct is the whole argument.
ma.vukovic97/100
The certificate for lot SGN-24-637 carried method, wavelength, water content and an itemised related-substances table. Complete on the first pass.
e.salinas97/100
One of the few places that will quote selank 10 mg at all, and the synthesis came back clean on an independent check.
ha.beaulieu97/100
7 lots logged now, purity 99.5 to 99.6%. A band that tight is worth more to me than one spectacular number.
n.demir97/100
Shipped with a stated storage recommendation and a shelf-life figure tied to it, without my asking.
m.lokken97/100
Arrived on day 5 against a quoted 5. Customs paperwork was right first time, which is why it moved that fast.
Block 12