Chemical Structures Starting with the Letter A

Molecular Structures Index

Acetaminophen is a chemical compound starting with the letter A. Acetaminophen or Paracetamol is a widely-used analgesic and antipyretic drug.
Acetaminophen is a chemical compound starting with the letter A. Acetaminophen or Paracetamol is a widely-used analgesic and antipyretic drug. Science Photo Library / Getty Images

This is an alphabetical index of chemical structures with names beginning with the letter A. Representative important chemical compounds include acetic acid, acetaminophen, acetaldehyde, acetylene, ammonia, aniline, ascorbic acid, and aspirin. The collection includes molecules, ions, chemical reactions and related images. You can find information about many of these substances in the Molecules Index.

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abietane
abietic acid
Abilify
acenaphthene
acenaphthoquinone
acenaphthylene
acepromazine
acesulfame potassium (acesulfame K)
acetal (1,1-diethoxyethane)
acetaldehyde
acetaldehyde ammonia trimer
acetamide
acetaminophen
acetaminophen (ball and stick model)
acetaminosalol
acetamiprid
acetanilide
acetic acid
acetic aldehyde
acetic anhydride
acetate
acetoguanamine
acetone
acetone (space filling model)
acetonitrile
acetophenone
acetyl chloride
acetylcholine
acetylene
acetylene (space-filling model)
N-acetylglutamate
acetylsalicylic acid
acid fuchsin
aconitane
acridine
acridine orange
acrolein
acrylamide
acrylic acid
acrylonitrile
acryloyl chloride
actin
acyclovir
adalimumab
adamantane
adenine
adenosine
adenosine monophosphate (AMP)
adenosine triphosphate (ATP)
adipamide
adipic acid
Adiponitrile
adipoyl dichloride
adonitol
adrenochrome
adrenaline
aflatoxin
AIBN (2-2'-azobisisobutyronitrile)
ajmalan
akuammilan
alanine
D-alanine
L-alanine
alanyl
albumins
alcian blue
alcohol functional group
aldehyde functional group
aldimine group
aldosterone
aldrin
Aliquat 336
alizarin
alkenyl functional group
alkynyl functional group
alkyl functional group
allantoic acid
allantoin
Allegra
allethrin
allyl propyl disulfide
allylamine
allyl chloride
alstophyllan
aluminum - element photo
amide functional group
amide general structure
Amido black 10b
amine functional group
amino acid
para-aminobenzoic acid (PABA)
aminobutanoyl
aminoethylpiperazine
5-amino-2-hydroxybenzoic acid (5-ASA)
Aminophylline
5-aminosalicylic acid
aminothiazole
amiodarone
Amiton
ammonia
ammonia (space filling)
ammonium chloride
ammonium nitrate
amobarbital
amoxicillin
amphetamine
amygdalin (2-D structure)
amygdalin (3-D ball and stick model)
amyl hydride (space-filling)
amyl nitrate
amyl nitrite
anandamide
anethole
angelic acid
anilazine
aniline
aniline hydrochloride
aniline purple
anisaldehyde
anisole
anisoyl chloride
anol
anthanthrene
anthocyanidin
anthracene
anthramine
anthranilic acid
anthraquinone
anthrone
antidiuretic hormone (ADH)
Antipyrine
aprotinin
arabinose
aroclor
arginine
D-arginine
L-arginine
arginine vasopressin
arginyl
aripiprazole
Aripiprex
aristolane
arsole
ascorbic acid (Vitamin C)
asparagine
D-asparagine
L-asparagine
asparaginyl
asparagusic acid
aspidofractinine
asphidophytidine
aspidospermidine
aspartame
aspartic acid
D-aspartic acid
L-aspartic acid
α-aspartyl
aspirin
astra blue
atidane
atisane
atisine
atorvastatin
ATP
atrazine
auramine o
aureine
aurin
avobenzone
Azadirachtin
azathioprine
azelaic acid
azepane
azide
azimethylene
azinphos-methyl
aziridine
azithromycin
2-2'-azobisisobutyronitrile (AIBN)
azole
azo group
azo violet
azobenzene
azulene
azure A

Do you need information about other compounds? Navigate to other structure names, starting with either numerical prefixes or letters. Additional indexes are provided for organic structures, vitamins, amino acids, functional groups, and the most commonly encountered chemical compounds.

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