Canonical ingredient

L-Cysteine, N-acetyl-

N-Acetyl-L-cysteine

663 linked products

Official identifiers

CAS 616-91-1 NHPID_ID 11268

Names and synonyms

L-Cysteine, N-acetyl- (en)
N-acétyl-l-cystéine (fr)
Acétylcystéine (fr-CA)

Source-scoped chemical properties

Every value keeps its own authority, licence and retrieval date. Conflicting values are not silently merged.

canada dsl listing: listed; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl bioaccumulative: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl inherently toxic aquatic: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets cepa categorization: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets environmental: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets human health: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl persistent: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl substance category: Organics; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03

Equivalent concepts in other registries

These links require an exact shared identifier; names alone are never sufficient.

N -acetyl- L -cysteine
GLOBAL · CAS 616-91-1
Verification source

Safety and technical documents

General references and manufacturer-specific SDS documents are kept separate.

0 document(s)

No verified SDS or technical sheet is linked yet. This absence is explicit and does not mean that no document exists.

End-to-end traceability

Only links supported by an identified source are published. Missing evidence remains explicitly unknown.

Partial chain

Evidence still missing

Country or region of origin
Raw-material producer
Ingredient manufacturer
Distributor
Transformation steps

Documented origins

No origin has been proven yet by an explicit source.

Documented organizations

No organization has been proven yet by an explicit source.

Documented transformations

No transformation step has been proven yet by an explicit source.

Method: a company’s registration country is never used as evidence of a material’s origin.

Products containing this ingredient

4 Season Active Greens Detox

AIM Proancynol® 2000

ANTIOXIDANT-COMPLEX

Acetylet Effervescence

160 · milligrams

Advanced Liver Detox

125 · milligrams

Aktiv Multivitamins

50 · milligrams

All Day You May

50 · milligrams

Allmax Impact Igniter

Allmax Impact PMP

Allmax Impact Pump

Allmax MusclePrime

50 · milligrams

Alpha-Lipoic Acid Plus N-Acetylcysteine with Carnosine and Anserine

Alpha-Lipoic Acid Plus N-Acetylcysteine with Pterostilbene

Alpha-Lipoic Acid Plus N-Acetylcysteine with SAMe

Alpha-Lipoic Acid Plus N-Acetylcysteine with Urolithin A

83.33 · milligrams

Antioxidant Complex and Liver Support

Antioxidant Essentials for Females

Antioxidant Essentials for males

Antioxidant Network II

Antioxidant Support

Antioxidant Synergy II

Antioxidant complex capsule

Antioxidant formula

Antioxidant formula

83.33 · milligrams

Ashwagandha with NAC

BEAUTY ESSENTIALS

Be Well Immune Support Capsules

25 · milligrams

BioGuard(tm) INFINITY

Biogenic Immune Support

Bone and Energy Support