Vitamin B2 — Available Now
Riboflavin — 1,500 kg in Two Documented Lots
High-purity Vitamin B2 from Ruzhou Kunhe Biotechnology Co., Ltd., warehoused in South Carolina and available for immediate domestic delivery.
Lot Inventory
| Lot | Quantity | Manufactured | Expiry | Sigma Assay | Mfr. Assay |
|---|---|---|---|---|---|
| 2025052801 | 1,000 kg | May 30, 2025 | May 29, 2028 | 98.88% | 99.3% |
| 2025052901 | 500 kg | May 31, 2025 | May 30, 2028 | 99.65% | On COA |
Summary data shown. Full-resolution manufacturer COAs and independent Sigma QC results are released to qualified buyers.
Manufacturer
Ruzhou Kunhe Biotechnology Co., Ltd.
Warehouse
South Carolina, USA
Packaging
20 kg fiber drums, palletized
Discuss a 250–1,500 kg requirement
Request the B2 COA package or a commercial quote — response within one business hour for qualified inquiries.