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Guanidines

Guanidine is a compound with a carbon atom bonded to two nitrogen atoms via singles bonds, and one nitrogen atom via double bond in the following formula: HNC(NH2)2. Guanidine can be considered the nitrogen analogue of carbonic acid.
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1

Chlorhexidine Digluconate Aqueous Solution 0.2 MP Biomedicals

CAS: 18472-51-0 Molecular Formula: C34H54Cl2N10O14 Molecular Weight (g/mol): 897.76 MDL Number: MFCD00083599 InChI Key: YZIYKJHYYHPJIB-UUPCJSQJSA-N Synonym: peridex,periogard,chlorhexidine gluconate,1,1'-hexamethylene bis 5-p-chlorophenyl biguanide di-d-gluconate PubChem CID: 60148207 SMILES: OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.NC(NC1=CC=C(Cl)C=C1)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1

PubChem CID 60148207
CAS 18472-51-0
Molecular Weight (g/mol) 897.76
MDL Number MFCD00083599
SMILES OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.NC(NC1=CC=C(Cl)C=C1)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1
Synonym peridex,periogard,chlorhexidine gluconate,1,1'-hexamethylene bis 5-p-chlorophenyl biguanide di-d-gluconate
InChI Key YZIYKJHYYHPJIB-UUPCJSQJSA-N
Molecular Formula C34H54Cl2N10O14
2
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Chlorhexidine Gluconate Solution, BP, 19-21%, Spectrum™ Chemical

CAS: 18472-51-0 Molecular Formula: C34H54Cl2N10O14 Molecular Weight (g/mol): 897.76 MDL Number: MFCD00083599 InChI Key: YZIYKJHYYHPJIB-UUPCJSQJSA-N IUPAC Name: bis((2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoic acid); N'-(6-{[amino({amino[(4-chlorophenyl)amino]methylidene}amino)methylidene]amino}hexyl)-1-({amino[(4-chlorophenyl)amino]methylidene}amino)methanimidamide SMILES: OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.NC(NC1=CC=C(Cl)C=C1)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1

CAS 18472-51-0
Molecular Weight (g/mol) 897.76
MDL Number MFCD00083599
SMILES OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.NC(NC1=CC=C(Cl)C=C1)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1
IUPAC Name bis((2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoic acid); N'-(6-{[amino({amino[(4-chlorophenyl)amino]methylidene}amino)methylidene]amino}hexyl)-1-({amino[(4-chlorophenyl)amino]methylidene}amino)methanimidamide
InChI Key YZIYKJHYYHPJIB-UUPCJSQJSA-N
Molecular Formula C34H54Cl2N10O14
3

Chlorhexidine Digluconate Aqueous Solution 0.2 MP Biomedicals

CAS: 18472-51-0 Molecular Formula: C34H54Cl2N10O14 Molecular Weight (g/mol): 897.76 MDL Number: MFCD00083599 InChI Key: YZIYKJHYYHPJIB-UUPCJSQJSA-N Synonym: peridex,periogard,chlorhexidine gluconate,1,1'-hexamethylene bis 5-p-chlorophenyl biguanide di-d-gluconate PubChem CID: 60148207 IUPAC Name: bis((2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoic acid); N'-(6-{[amino({amino[(4-chlorophenyl)amino]methylidene}amino)methylidene]amino}hexyl)-1-({amino[(4-chlorophenyl)amino]methylidene}amino)methanimidamide SMILES: OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.NC(NC1=CC=C(Cl)C=C1)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1

PubChem CID 60148207
CAS 18472-51-0
Molecular Weight (g/mol) 897.76
MDL Number MFCD00083599
SMILES OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O.NC(NC1=CC=C(Cl)C=C1)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1
Synonym peridex,periogard,chlorhexidine gluconate,1,1'-hexamethylene bis 5-p-chlorophenyl biguanide di-d-gluconate
IUPAC Name bis((2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoic acid); N'-(6-{[amino({amino[(4-chlorophenyl)amino]methylidene}amino)methylidene]amino}hexyl)-1-({amino[(4-chlorophenyl)amino]methylidene}amino)methanimidamide
InChI Key YZIYKJHYYHPJIB-UUPCJSQJSA-N
Molecular Formula C34H54Cl2N10O14
4

1,1-Dimethylbiguanide Hydrochloride, MP Biomedicals™

CAS: 1115-70-4 Molecular Formula: C4H12ClN5 Molecular Weight (g/mol): 165.63 MDL Number: MFCD00012582 InChI Key: OETHQSJEHLVLGH-UHFFFAOYSA-N IUPAC Name: hydrogen 1-[(diaminomethylidene)amino]-N,N-dimethylmethanimidamide chloride SMILES: [H+].[Cl-].CN(C)C(=N)N=C(N)N

CAS 1115-70-4
Molecular Weight (g/mol) 165.63
MDL Number MFCD00012582
SMILES [H+].[Cl-].CN(C)C(=N)N=C(N)N
IUPAC Name hydrogen 1-[(diaminomethylidene)amino]-N,N-dimethylmethanimidamide chloride
InChI Key OETHQSJEHLVLGH-UHFFFAOYSA-N
Molecular Formula C4H12ClN5
5
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1,1-Dimethylbiguanide hydrochloride, 97%

CAS: 1115-70-4 Molecular Formula: C4H12ClN5 Molecular Weight (g/mol): 165.63 MDL Number: MFCD00012582 InChI Key: OETHQSJEHLVLGH-UHFFFAOYSA-N Synonym: metformin hydrochloride,1,1-dimethylbiguanide hydrochloride,metformin hcl,glucophage,riomet,diabefagos,meguan,metformin monohydrochloride,benofomin,denkaform PubChem CID: 14219 IUPAC Name: 3-(diaminomethylidene)-1,1-dimethylguanidine;hydrochloride SMILES: [H+].[Cl-].CN(C)C(=N)N=C(N)N

PubChem CID 14219
CAS 1115-70-4
Molecular Weight (g/mol) 165.63
MDL Number MFCD00012582
SMILES [H+].[Cl-].CN(C)C(=N)N=C(N)N
Synonym metformin hydrochloride,1,1-dimethylbiguanide hydrochloride,metformin hcl,glucophage,riomet,diabefagos,meguan,metformin monohydrochloride,benofomin,denkaform
IUPAC Name 3-(diaminomethylidene)-1,1-dimethylguanidine;hydrochloride
InChI Key OETHQSJEHLVLGH-UHFFFAOYSA-N
Molecular Formula C4H12ClN5
6
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1-Acetylguanidine, 97%

CAS: 5699-40-1 Molecular Formula: C3H7N3O Molecular Weight (g/mol): 101.11 MDL Number: MFCD00075615 InChI Key: NGGXACLSAZXJGM-UHFFFAOYSA-N Synonym: n-acetylguanidine,1-acetylguanidine,n-carbamimidoylacetamide,n-aminoiminomethyl acetamide,monoacetyl guanidine,acetylguanidine,n-acetyl-guanidine,acetyl guanidine,n-diaminomethylidene acetamide,1-acetylguanidne PubChem CID: 38263 IUPAC Name: N-(diaminomethylidene)acetamide SMILES: CC(=O)N=C(N)N

PubChem CID 38263
CAS 5699-40-1
Molecular Weight (g/mol) 101.11
MDL Number MFCD00075615
SMILES CC(=O)N=C(N)N
Synonym n-acetylguanidine,1-acetylguanidine,n-carbamimidoylacetamide,n-aminoiminomethyl acetamide,monoacetyl guanidine,acetylguanidine,n-acetyl-guanidine,acetyl guanidine,n-diaminomethylidene acetamide,1-acetylguanidne
IUPAC Name N-(diaminomethylidene)acetamide
InChI Key NGGXACLSAZXJGM-UHFFFAOYSA-N
Molecular Formula C3H7N3O
7

1,1-Dimethylbiguanide hydrochloride

CAS: 1115-70-4 Molecular Formula: C4H12ClN5 Molecular Weight (g/mol): 165.63 MDL Number: MFCD00012582 InChI Key: OETHQSJEHLVLGH-UHFFFAOYSA-N Synonym: metformin hydrochloride,1,1-dimethylbiguanide hydrochloride,metformin hcl,glucophage,riomet,diabefagos,meguan,metformin monohydrochloride,benofomin,denkaform PubChem CID: 14219 IUPAC Name: hydrogen 1-[(diaminomethylidene)amino]-N,N-dimethylmethanimidamide chloride SMILES: [H+].[Cl-].CN(C)C(=N)N=C(N)N

PubChem CID 14219
CAS 1115-70-4
Molecular Weight (g/mol) 165.63
MDL Number MFCD00012582
SMILES [H+].[Cl-].CN(C)C(=N)N=C(N)N
Synonym metformin hydrochloride,1,1-dimethylbiguanide hydrochloride,metformin hcl,glucophage,riomet,diabefagos,meguan,metformin monohydrochloride,benofomin,denkaform
IUPAC Name hydrogen 1-[(diaminomethylidene)amino]-N,N-dimethylmethanimidamide chloride
InChI Key OETHQSJEHLVLGH-UHFFFAOYSA-N
Molecular Formula C4H12ClN5
8

Sigma Aldrich Fine Chemicals Biosciences Chlorhexidine digluconate solution 20% in H2O | 18472-51-0 | MFCD00083599 | 25ML

Chlorhexidine digluconate solution 20% in H2O | 18472-51-0 | MFCD00083599 | 25ML

ENCOMPASS
9

Medchemexpress LLC 4-(2,3,6,7-tetrahydro-2,6-dioxo-1-propyl-1H-purin-8-yl)-benzenesulfonic acid | 152529-79-8 | ≥98.0% | 350.35 g/mol | C14H14N4O5S | 1 ML
SDP

PSB 1115 is a selective A2B adenosine receptor antagonist used as a research tool to block A2B-mediated signaling in pharmacology studies. It is supplied as a concentrated solution for laboratory assays and analytical applications.

  • Selective A2B adenosine receptor antagonist
  • Supplied as 10 mM solution, 1 mL
  • Purity ≥98.0% (HPLC)
  • Molecular weight 350.35 g/mol
  • Molecular formula C14H14N4O5S
  • Water-soluble and suitable for in vitro and in vivo studies

ENCOMPASS_PREFERRED
10

Medchemexpress LLC Phenylbiguanide | 102-02-3 | MFCD00179077 | 98.0% | 177.21 g/mol | C8H11N5 | 1 ML
SDP

Phenylbiguanide is a selective 5-HT3 receptor agonist used in pharmacology and neuroscience research to probe 5-HT3-mediated responses. It is supplied as a pre-made 10 mM solution in DMSO (1 mL) and is also available in solid forms, offering defined purity and stability for reproducible in vitro and in vivo preparation.

  • Selective 5-HT3 receptor agonist with EC50 ≈ 3.0 μM.
  • Offered as a 10 mM solution in DMSO and in solid pack sizes.
  • High purity (98.0%) for reliable experimental results.
  • Soluble in DMSO and water for flexible formulation options.
  • Stable under recommended storage conditions for long-term use.

ENCOMPASS_PREFERRED
11

Medchemexpress LLC PSB-1115 | 152529-79-8 | 99.0% | 350.35 g·mol⁻¹ | C14H14N4O5S | 100 MG
SDP

PSB-1115 is a selective A2B adenosine receptor antagonist used as a research tool to block A2B-mediated signaling in vitro and in vivo. It is reported to antagonize adenosine-mediated effects in animal models and to inhibit TNBS-induced responses.

  • Selective A2B adenosine receptor antagonist for research use.
  • High purity (99.0%) solid suitable for biological assays.
  • Chemical formula C14H14N4O5S; molecular weight 350.35 g·mol⁻¹.
  • Soluble in DMSO (100 mg/mL) and water (10 mg/mL) with sonication or warming.
  • Recommended storage at -20°C; in solution, store at -80°C for long-term stability.
  • Reported in vivo activity at 0.5 mg/kg (i.p.) in mouse mucociliary clearance studies.

ENCOMPASS_PREFERRED
12

Medchemexpress LLC Phenylbiguanide hydrochloride | 55-57-2 | 100.0% | 213.67 g/mol | C8H12ClN5 | 1 ML
SDP

Phenylbiguanide hydrochloride is a research-grade 5-HT3 receptor selective agonist used in receptor pharmacology and electrophysiology. It is supplied as a ready-to-use 10 mM solution in DMSO (1 mL) and in solid forms for preparation. CAS number 55-57-2; reported EC50 ≈ 3.0 ± 0.1 μM.

  • Selective 5-HT3 receptor agonist with an EC50 of 3.0 ± 0.1 μM.
  • Ready-to-use 10 mM solution in DMSO for in vitro assays.
  • High purity suitable for research applications.
  • Molecular weight 213.67 g/mol; molecular formula C8H12ClN5.
  • Formulation and solubility guidance provided for in vitro and in vivo studies.

ENCOMPASS_PREFERRED
13

Medchemexpress LLC PSB-1115 | 152529-79-8 | 99.0% | 350.35 | C14H14N4O5S | 5 MG
SDP

PSB-1115 is a selective A2B adenosine receptor antagonist supplied for research use to investigate A2B-mediated signaling and physiological responses. It has documented activity in TNBS-induced contraction models and is provided in solid and solution formats for experimental applications.

  • Selective A2B adenosine receptor antagonist.
  • Research-use compound for A2B receptor studies.
  • Purity 99.0%.
  • Molecular formula C14H14N4O5S; molecular weight 350.35.
  • CAS number 152529-79-8.
  • Available in solid 5 mg and solution 10 mM 1 mL in DMSO.
  • Store at -20°C; protect from light. In solvent: -80°C for 6 months, -20°C for 1 month.

ENCOMPASS_PREFERRED
14

Medchemexpress LLC 4-(2,6-dioxo-1-propyl-1,2,3,6-tetrahydropurin-8-yl)benzene-1-sulfonic acid | 152529-79-8 | 99.0% | 350.35 g/mol | C14H14N4O5S | 10 MG
SDP

PSB-1115 is a selective A2B adenosine receptor antagonist for pharmacological research. It inhibits TNBS-induced acetylcholine contraction in vitro and antagonizes NECA-induced inhibition of mucociliary clearance in vivo.

  • Selective A2B adenosine receptor antagonist
  • Purity 99.0%
  • Molecular weight 350.35 g/mol
  • Chemical formula C14H14N4O5S
  • CAS number 152529-79-8
  • Solubility: DMSO 100 mg/mL; H2O 10 mg/mL
  • Storage: -20°C; in solvent -80°C (6 months)
  • Intended for research use only

ENCOMPASS_PREFERRED
15

Medchemexpress LLC Metformin hydrochloride | 1115-70-4 | MFCD00012582 | 100.0% | 165.62 | C4H12ClN5 | 10 MG
SDP

Metformin hydrochloride is the hydrochloride salt of metformin supplied as an analytical reference standard for use in analytical chemistry, method development, and research. It is identified by CAS 1115-70-4, has formula C4H12ClN5, and a molecular weight of 165.62.

  • High purity suitable for analytical assays (reported 99.97%).
  • Provided as a 10 MG package for calibration and method development.
  • Highly soluble in water and PBS (≥100 mg/mL); limited solubility in DMSO.
  • Storage: keep sealed at 4°C; follow solvent storage guidelines for long-term stability.
  • Intended for use as an analytical reference in validation, quality control, and research workflows.

ENCOMPASS_PREFERRED