ACS
ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.
Related grades
Popular Products
Bismuth nitrate pentahydrateSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥98%In Stock Item #: B110812View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- bismuth;trinitrate;pentahydrate
- SMILES
- [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.[Bi+3]
- InChIKey
- FBXVOTBTGXARNA-UHFFFAOYSA-N
- InChI
- 1S/Bi.3NO3.5H2O/c;3*2-1(3)4;;;;;/h;;;;5*1H2/q+3;3*-1;;;;;
- Synonyms
- Bismuth nitrate, hydrate (1:5) | Nitric acid, bismuth(3+) salt, pentahydrate | UNII-FO2ICY167B | Granions de Bismuth ...
Lithium chlorideSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%In Stock Item #: L116328View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- lithium;chloride
- SMILES
- [Li+].[Cl-]
- InChIKey
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M
- InChI
- 1S/ClH.Li/h1H;/q;+1/p-1
- Synonyms
- CCRIS 5924 | HSDB 4281 | Lithium chloride, puriss. p.a., ACS reagent, anhydrous, >=99.0% (AT) | NCGC00093980-01 | (2R...
FormamideLiquid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99.5%In Stock Item #: F120616View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- formamide
- SMILES
- C(=O)N
- InChIKey
- ZHNUHDYFZUAESO-UHFFFAOYSA-N
- InChI
- 1S/CH3NO/c2-1-3/h1H,(H2,2,3)
- Synonyms
- Methanamide | Methanamid | DTXSID8025337 | HSDB 88 | Formimidic acid | Methanimidic acid | Amid kyseliny mravenci | f...
Sulfanilic acidSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥98%In Stock Item #: S108756View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- 4-aminobenzenesulfonic acid
- SMILES
- C1=CC(=CC=C1N)S(=O)(=O)O
- InChIKey
- HVBSAKJJOYLTQU-UHFFFAOYSA-N
- InChI
- 1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
- Synonyms
- AI3-15414 | P-SULFANILIC ACID | SULFADIMIDINE IMPURITY F (EP IMPURITY) | Q253746 | Sulfanilic acid, 99.0-100.5%, suit...
Hydrazinium sulfateACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.In Stock Item #: H110557View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- hydrazine;sulfuric acid
- SMILES
- NN.OS(=O)(=O)O
- InChIKey
- ZGCHATBSUIJLRL-UHFFFAOYSA-N
- InChI
- 1S/H4N2.H2O4S/c1-2;1-5(2,3)4/h1-2H2;(H2,1,2,3,4)
- Synonyms
- Hydrazine dihydrogen sulfate salt | MFCD00044873 | Sehydrin | HYDRAZINE SULFATE [MI] | FT-0627114 | Hydrazine sulfate...
Iron sulfate heptahydrateACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%In Stock Item #: F116340View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- iron(2+);sulfate;heptahydrate
- SMILES
- O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Fe+2]
- InChIKey
- SURQXAFEQWPFPV-UHFFFAOYSA-L
- InChI
- 1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
- Synonyms
- FERROUS SULFATE [USP-RS] | H14FeO11S | Ferrous Sulfate (Iron II Sulfate) Heptahydrate | Q27105054 | Fero-Gradumet | F...
Lead subacetateCAS: 1335-32-6 EC Number: 215-630-3 PubChem CID: 16717614 Formula: C4H10O8Pb3 Molecular Weight: 807.72ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.In Stock Item #: L100794View ProductPricing & Pack SizesTechnical Identifiers
- SMILES
- CC(=O)O[Pb]OC(=O)C.O.O.O.O.[Pb].[Pb]
- InChIKey
- YXZMOTXWBZKTFY-UHFFFAOYSA-L
- InChI
- 1S/2C2H4O2.4H2O.3Pb/c2*1-2(3)4;;;;;;;/h2*1H3,(H,3,4);4*1H2;;;/q;;;;;;;;+2/p-2
- Synonyms
- LEAD SUBACETATE|1335-32-6|Lead, bis(acetato-kappaO)tetrahydroxytri-|lead(2+);diacetate;tetrahydroxide|MFCD00013041|Le...
Lead chromateSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥98%(RT)In Stock Item #: L112508View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- dioxido(dioxo)chromium;lead(2+)
- SMILES
- [O-][Cr](=O)(=O)[O-].[Pb+2]
- InChIKey
- MOUPNEIJQCETIW-UHFFFAOYSA-N
- InChI
- 1S/Cr.4O.Pb/q;;;2*-1;+2
- Synonyms
- Lead chromate(VI) | DTXSID1064792 | LEAD CHROMATE(VI) [MI] | MFCD00011158 | dioxido(dioxo)chromium;lead(2+) | CCRIS 3...
Zinc sulfate heptahydrateSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%In Stock Item #: Z111855View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- zinc;sulfate;heptahydrate
- SMILES
- O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Zn+2]
- InChIKey
- RZLVQBNCHSJZPX-UHFFFAOYSA-L
- InChI
- 1S/H2O4S.7H2O.Zn/c1-5(2,3)4;;;;;;;;/h(H2,1,2,3,4);7*1H2;/q;;;;;;;;+2/p-2
- Synonyms
- Zinc sulfate (ZnSO4) heptahydrate | Zinc sulfate (heptahydrate) | DTXCID8020175 | ZINCI SULFAS HEPTAHYDRATE [WHO-IP L...
PhenolSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.In Stock Item #: P100765View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- phenol
- SMILES
- C1=CC=C(C=C1)O
- InChIKey
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N
- InChI
- 1S/C6H6O/c7-6-4-2-1-3-5-6/h1-5,7H
- Synonyms
- Phenol, liquefied | Phenol,liquified | Hydroxybenzene | PHENOL (EP MONOGRAPH) | PhOH | ENT-1814 | Phenic alcohol | CA...
1,2-DichloroethaneACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%In Stock Item #: D116249View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- 1,2-dichloroethane
- SMILES
- C(CCl)Cl
- InChIKey
- WSLDOOZREJYCGB-UHFFFAOYSA-N
- InChI
- 1S/C2H4Cl2/c3-1-2-4/h1-2H2
- Synonyms
- 1,2-dichloroethane|Ethylene dichloride|107-06-2|Ethylene chloride|Ethane, 1,2-dichloro-|Glycol dichloride|Dichloroeth...
Potassium persulfateSolid ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%(RT)In Stock Item #: P112193View ProductPricing & Pack SizesTechnical Identifiers
- IUPAC Name
- dipotassium;sulfonatooxy sulfate
- SMILES
- [O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]
- InChIKey
- USHAGKDGDHPEEY-UHFFFAOYSA-L
- InChI
- 1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
- Synonyms
- dipotassium;sulfonatooxy sulfate | Peroxydisulfuric acid (((HO)S(O)2)2O2) , dipotassium salt | FT-0689072 | Potassium...
Frequently Asked Questions — ACS
What does ACS mean?
ACS is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. ACS is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
When should I choose ACS over a higher tier?
Choose ACS for routine analytical work where the method tolerates the stated impurity limits. Move up to HPLC grade, UltraPureChrom™, or a pharmacopoeia grade (USP, BP, JP, ChP, Ph.Eur.) when your method demands tighter UV absorbance, trace metal limits, or regulated compendial documentation.
Is ACS suitable for use as an HPLC mobile phase?
Not by default. Standard analytical purity tiers do not always meet UV absorbance and fluorescence specifications needed for HPLC. For chromatography, choose HPLC grade, HPLC Gradient Grade, or for HPLC plus. For LC-MS work, choose for LC-MS or for UHPLC-MS.
Does ACS include a Certificate of Analysis?
Yes. Every lot of an analytical-grade reagent ships with a Certificate of Analysis listing tested specifications. SDS and additional documentation are available on the product page or by request.
What pack sizes are available?
Solid reagents are typically offered in 25 g, 100 g, 500 g and 1 kg units; liquids in 500 mL, 1 L, 2.5 L and 4 L. Bulk and custom packaging are available through the Bulk & Custom Quote workflow.