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Gadolinium · Rare Earth / Lanthanide · CAS 7440-54-2

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GTOS Material Identity Matrix

Field	Value	Source Layer	Status
Symbol	Gd	Element Registry	PASS
Name	Gadolinium	Materials Registry	PASS
CAS from source	7440-54-2	Uploaded file	PASS
GTOS CAS	7440-54-2	CAS/NIST cross-check	VERIFIED
Atomic No.	64	Periodic Registry	PASS
Material Class	Rare Earth / Lanthanide	GTOS taxonomy	PASS

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GTOS Audit Note: Specialty rare earth; application and destination screening required. Source CAS value: 7440-54-2. GTOS registry CAS value: 7440-54-2. Commercial terms, price, TDS, CoA, SDS, packaging and shipment authorization remain gated until validation.

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Controlled B2B Disclosure: This page is a material registry card and not a public offer, technical certification, shipping authorization, sanctions clearance, medical claim, or export-control determination. Buyer identity, end use, destination, documentation package and compliance screening must be completed before any quotation, shipment or technical commitment.