628454103186

• 6 — Number system
• 28454 — Manufacturer code
• 10318 — Product code
• 6 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 628454101014 — Copernicus educational prod cart book browser 18 lifetime cunbb00518
• 628454101052 — Copernicus educational prod cart book browser 9 lifetime t cunbb0059
• 628454101021 — Copernicus educational prod cart dlx book browser 18 incl cunbb005181
• 628454101069 — Copernicus educational prod cart dlx book browser 9 incl 2 cunbb00591
• 628454100314 — Copernicus educational prod easel Art double sided incl 2 cunpdr11
• 628454102318 — Copernicus educational prod easel early learning stn foldi cunels1

Copernicus educational prod reading resource 3 book cart rrs4

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