Octopart is the best free way to scrub a BOM for lifecycle flags. But a snapshot flag with no reasoning, no history, and no monitoring misses silent EOL. Enchor is the continuous, evidence-cited complement.

Octopart Is the Best Free Snapshot. Enchor Is Continuous Evidence.

If you need to check a part fast, use Octopart. It is free, vendor-agnostic, and aggregates stock, pricing, and lifecycle flags across 670+ distributors and 11,000+ manufacturers. For a bench lookup, nothing beats it.

But a one-time BOM scrub — upload a spreadsheet, get green/orange/red flags, export a CSV — is not a lifecycle program. Status without reasoning, history, or monitoring does not survive first contact with a real production schedule.

That is the gap Enchor was built to close.

Enchor is an electronic component lifecycle and BOM management platform. You import a BOM (CSV or Excel), Enchor matches each line to a canonical part, evaluates its lifecycle on demand, and then watches it — with reasoning, sources, and an audit trail for every status, at published pay-as-you-go prices.

This is not a claim that Enchor out-indexes a 95-million-part catalog. It is a claim that for teams running a product — not just checking a part — the snapshot model is the wrong shape. Here is the honest comparison.

What the Octopart BOM Tool does well

Credit where it is due. The Octopart BOM Tool nails the free lookup job:

Effortless ingestion: upload XLSX, CSV, or JSON, or paste MPNs. Automatic matching against 95M+ parts with intelligent cleanup for messy rows.
Instant market view: latest stock, multi-distributor pricing, and technical specs in seconds, processing 200M+ offers daily.
Color-coded lifecycle flags: green (Active), orange (NRND), red (EOL/discontinued), gray (Unknown) right in the matched-part column.
Compliance glance: RoHS and REACH summaries in the Parts Analytics tab, filterable to affected lines.
Vendor-agnostic sourcing: unlike a DigiKey or Mouser cart tool, it shows the whole market, not one catalog.
Free in the browser: no install, no demo gate, no contract.

If your question is can I buy this part today, and from whom? — start with Octopart. We mean that.

The problem starts when your question becomes will this BOM still be buildable in 12 months, and can I prove why we think so?

Where snapshot BOM scrubbing breaks

1. A flag with no reasoning

Octopart shows manufacturer lifecycle data as received, without normalization. Hold your mouse over the red line and you get a label: Discontinued. You do not get why — which PCN, which bulletin, which date, or how it was weighed against a conflicting Active datasheet.

That matters because status sources routinely disagree. A manufacturer updates when the internal decision is made, a distributor updates when its feed refreshes, a database updates on its own cadence. Days-to-months of skew is ordinary. When two competent sources publish different statuses for the same MPN on the same day, a bare flag cannot resolve the conflict.

Enchor instead returns an evaluated decision with its evidence attached: the reasoning paragraph, the source URLs, the previous and new state, the model and cost, and a timestamp — reviewable by a human.

2. Blank does not mean safe

By its own policy, Octopart leaves lifecycle blank (gray / Unknown) when it cannot find a source it considers authoritative. Coverage started around 650,000 parts with lifecycle data — a fraction of the catalog.

A blank flag is honest, but teams misread it as probably fine. It is not fine. It is unevaluated.

Enchor does not have to have pre-indexed your part. Give it a part number and manufacturer and it researches that specific part on demand, then normalizes the answer onto one eight-state scale:

Unknown → Introduced → Growing → Mature → Declining → NRND → EOL → Obsolete

An explicit evidence hierarchy governs the call: official manufacturer PCNs, withdrawals, and discontinuation bulletins take absolute precedence over catalog tables, marketing datasheets, and distributor stock listings. If a part appears on an official affected-parts list, it is EOL — even if an old datasheet still says in production. A vendor Active maps to Mature so statuses from different vendors land on one comparable scale.

3. Snapshots miss silent EOL

This is the structural gap. A BOM scrub is a moment in time. You upload, you flag, you export. A week later a PCN drops, a family goes NRND, a part quietly stops quoting — and your CSV does not know.

Meanwhile the problem is accelerating: industry data put roughly 621,909 discontinuations in 2025, with 52% arriving without a formal PCN. A tool that only surfaces notices manufacturers bothered to file — checked only when you remember to re-upload — misses half the story by design.

Enchor tracks only the parts you actually care about. Link parts to your organization and space, put them in part lists (your BOMs), and state changes push as live in-app updates with optional email notifications. You monitor your BOM rather than re-scrubbing it.

4. No audit trail for program decisions

Try answering these with a scrub export: Who decided this line was NRND? On what evidence? When? Who signed off? What did it cost to evaluate?

Octopart was never built for that. It is a lookup, not a system of record.

Every Enchor evaluation writes an audit record: old state → new state, reasoning, sources, model, input/output tokens, cost, timestamp, and an optional human review flag. In Enchor's published ground-truth benchmark the evaluator matched expert-assigned states on 8 of 9 reference parts — and you can read the reasoning behind every call. You cannot read the reasoning inside a flag.

5. Automation is gated

Octopart's web UI is free. Its API — the thing you need for nightly checks, ERP sync, or ECAD scrubbing in CI — is metered with a limited free tier and paid tiers for higher volumes. For a 400-line BOM checked weekly, the free tier runs out fast.

Enchor exposes its API on every plan, including the $0 base plan. A nightly lifecycle check or a custom dashboard is a day-one integration, not an enterprise upsell.

How Enchor picks up where Octopart stops

BOM import that learns: import CSV/Excel with automatic and manual column mapping and in-app validation. Matching is tiered — exact canonical match, alias match, normalized match (punctuation and case stripped), packaging-suffix stripping (-TR, -CT, -ND, -DKR), then substring fallback — so distributor suffix noise still finds its canonical record. New variations are stored as aliases for next time.
Evaluated, not just flagged: one evaluation per part, normalized, cited, and costed (about $0.05 each, about 15s average in benchmarks).
Monitored, not exported: tracked parts ($0.02/part/month) with real-time updates and email alerts on state change.
Reported for the meeting: lifecycle summary and manufacturer-dependency reports in Excel, CSV, and PDF with branded layout — total parts, state breakdown with percentages, single-source concentration.
Priced in public: $0/month base, unlimited part lists, BOM import, reports, real-time updates, and API included. Enterprise at $0.01/part/month and $0.02/evaluation. No demo gate, no quote, no annual contract to see your first result.

Octopart vs. Enchor, feature by feature

Capabilities below reflect each vendor's publicly documented behavior (competitor details are vendor-reported — verify current limits with each vendor).

Capability	Octopart BOM Tool	Enchor
Tool type	Free lookup + scrub	Lifecycle and BOM platform
Price to start	Free (web)	$0 base, published pay-as-you-go
Self-serve signup	Yes	Yes
BOM import (CSV / Excel)	Yes	Yes
Lifecycle flags	Manufacturer-first, color-coded	AI-evaluated, 8-state normalized
Reasoning + sources per status	No	Yes
Audit trail (model, tokens, cost, reviewer)	No	Yes
Blank / Unknown handling	Left blank when no authoritative source	Evaluated on demand
Continuous monitoring + email alerts	No — re-upload snapshot	Yes — tracked parts
Lifecycle + manufacturer reports	Limited / Analytics tab	Yes (Excel, CSV, PDF)
API access	Metered developer API	All plans
Distributor stock and pricing	Yes	No — not a sourcing tool
EOL forecasting (12-36 mo)	No	No — current evidenced state

The honest summary: use Octopart to answer what can I buy today? Use Enchor to answer will my BOM survive the year, and can I prove it? Most mature teams end up using both — Octopart for sourcing, Enchor for the lifecycle record.

What Enchor is not

We would rather you choose us for the right reason than be surprised later.

Enchor is not a distributor. It does not show live stock, price breaks, or lead times. It is the lifecycle layer, not the sourcing layer.
Enchor is not a forecasting engine. It reports the current, evidenced state. It does not project a YTEOL date 12-36 months out the way SiliconExpert or Z2Data claim to.
Enchor is not a full EDA or schematic-capture tool. It models schematics as records — components and pin-to-pin connections with nets derived at read time — and exposes them to AI agents via API and MCP, but it is not a CAD replacement.
Enchor does not yet ship cross-reference/alternate suggestions or RoHS/REACH modules, which Octopart's Analytics tab and enterprise platforms include. On the roadmap, not claimed today.
Enchor does not sell through a sales call. You can start free and see real reasoning and sources before talking to anyone.

When an Enchor-style tool is the right choice

Enchor tends to fit teams that:

run a known BOM (50-5,000 lines) through production or long-life support, not one-off bench checks
have been burned by a blank flag or a silent EOL that a snapshot scrub missed
need to show evidence — to a reviewer, a customer, or an auditor — not just a color
want monitoring without re-uploading, via in-app and email alerts
want to automate lifecycle checks via API without an enterprise procurement cycle
are small or mid-size and cannot justify a quote-only enterprise contract

If you only need today's price and availability on five parts, Octopart alone is enough. If you need to defend every NRND and EOL on a 400-line BOM next quarter, add Enchor.

Frequently asked questions

What is BOM scrubbing?

BOM scrubbing means uploading a bill of materials to a tool that matches each line (MPN + manufacturer) against a database and flags risks — lifecycle status, compliance, availability. Octopart's BOM Tool, SiliconExpert BOM Manager, and Z2Data Part Risk Manager all offer it. The limitation is that most scrubs are one-time snapshots; Enchor adds continuous monitoring and per-status evidence on top.

Why does Octopart show my part's lifecycle as Unknown or blank?

Octopart leaves lifecycle blank when it cannot find a source it considers authoritative for that part. Blank means unevaluated, not safe. Enchor handles this by evaluating the specific part on demand — targeted search plus an evidence-hierarchied decision — instead of relying solely on pre-indexed coverage.

How much does the Octopart API cost?

Octopart's web BOM Tool is free. API access is metered — public docs describe a limited free tier with paid tiers for higher volumes. Enchor includes API access on all plans, starting at $0/month base with usage at $0.02/tracked part/month and $0.05/evaluation.

What is the best Octopart alternative for lifecycle monitoring?

It depends on the job. For predictive forecasting and PCN aggregation at enterprise scale, SiliconExpert or Z2Data are the like-for-like upgrades — at quote-only enterprise prices. For transparent, evidence-cited lifecycle status with continuous monitoring at published pay-as-you-go prices, Enchor is the alternative to evaluate: every status ships with reasoning, sources, and an audit trail, and API access is included from day one.

Does Enchor replace Octopart?

No — they complement each other. Use Octopart for what it does best (free, broad, real-time stock and pricing). Use Enchor for what Octopart does not do (evaluated lifecycle with evidence, blank-part resolution, continuous monitoring, audit trail, and program-level reporting).

See the difference on your own BOM

You do not need a demo to find out whether evidence-first lifecycle data beats a snapshot flag. Create a free account, import a part list, run a lifecycle evaluation — then read the reasoning and open the sources for yourself.

Get started with Enchor · Browse the public parts catalog