Cefazolin for Injection, 1 g Vial
Anti-infectivesVital, 99% service targetPrimary vendor Harborline Pharmaceuticals, lead 1 day, ordered every 3 days00338350341
Stock position
- On hand
- 1,984 vial13.4 days of supply
- On order
- 86 vialfirst arrives Tue Sep 15
- Forecast rate
- 148.6 vial/daynext 30 days
- Demand over 4 days
- 641 viallead time plus review period
- Safety stock
- 92 vialempirical 99th percentile of forecast error
- Reorder point
- 733 vialabove
- Stockout
- Tue Sep 29
- Recommended order
- noneby Sun Sep 27
- Inventory value
- $4,166at $2.10 per vial
How the forecast was made
Exponential smoothing9% weekly error, over-forecast14% better than naive
A weighted recent average that learns the weekday pattern and any trend. Recent days count more than old ones.
Report card: the model was fit on history up to Tue Jul 21 and scored on the 56 days after. Weekly totals were off by 9% on average (25% day by day), and it over-forecast by 7% overall. A same-weekday-last-week guess would have been off by 10%.
actual forecast, 80% and 95% range what the model said during the report card windowvial/day
Projected on hand, vial: today's stock plus open orders on their expected dates, minus the forecast, day by day.
Lots and expiry
Earliest-expiry-first simulation against the forecast. Waste is what remains in a lot on its expiry date.
| Lot | Quantity | Expires | Days | Unit cost | Projected waste |
|---|---|---|---|---|---|
| L00020 | 1,005 | Fri Apr 23 | 221 | $2.10 | 0 vial · $0 |
| L00019 | 979 | Sun May 7 | 601 | $2.10 | 0 vial · $0 |
Vendors and prices, last 90 days
| Vendor | Part number | Vendor description | Sells by | Paid per vial | Invoices | 90-day spend | Pairing |
|---|---|---|---|---|---|---|---|
| Harborline Pharmaceuticals | 00338350341 | CEFAZOLIN NA 1 G/50ML VIAL EA | EA of 1 | $1.91 | 30 | $17,431 | stand-in |
| Cobalt Rx Distributors | CRX-45403 | CEFAZO 1G/50ML SDV 1CT | EA of 1 | $2.34 | 13 | $11,507 | stand-in |
Cobalt Rx Distributors charges $2.3393 per vial for this item; Harborline Pharmaceuticals charges $1.9099. That is 22% more on about 19,949 vial a year, or $8,567 a year.