A CAS Registry Number,also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.(information coming from wikipedia.org)
Name |
Molecular Formula |
Chemical & Physical Properties |
CAS Number |
carbendazim d4 |
C9H5D4N3O2 |
Molecular Weight:195.211 Density:1.4±0.1 g/cm3 Boiling Point:N/A Melting Point:>3000C (dec.) |
291765-95-2 |
Benzenemethanamine, 4-ethyl-a-methyl-, (aR)- |
C10H15N |
Molecular Weight:149.23300 Density:0.935g/cm3 Boiling Point:229.7ºC at 760 mmHg Melting Point:N/A |
292068-37-2 |
trans-methyl 4-aminomethyl-cyclohexanecarboxylate hydrochloride |
C9H18ClNO2 |
Molecular Weight:207.698 Density:N/A Boiling Point:278.5ºC at 760 mmHg Melting Point:N/A |
29275-88-5 |
3-Aminoaspartic acid |
C4H8N2O4 |
Molecular Weight:148.117 Density:1.6±0.1 g/cm3 Boiling Point:304.7±42.0 °C at 760 mmHg Melting Point:N/A |
29276-73-1 |
1-(4-Fluorophenyl)-2-methylpropan-2-ol |
C10H13FO |
Molecular Weight:168.20800 Density:1.071 g/cm3 Boiling Point:235.3ºC at 760 mmHg Melting Point:N/A |
2928-17-8 |
n,n'-diphenyl-n,n'-bis(4'-(n,n-bis(naphth-1-yl)-amino)-biphenyl-4-yl)-benzidine |
C88H62N4 |
Molecular Weight:1175.461 Density:1.2±0.1 g/cm3 Boiling Point:N/A Melting Point:N/A |
292827-46-4 |
1,2-di[perdeutero]hexadecanoyl-sn-glycero-3-phosphocholine |
C40H18D62NO8P |
Molecular Weight:796.42100 Density:N/A Boiling Point:N/A Melting Point:N/A |
29287-66-9 |
2-((Benzyloxy)methyl)oxirane |
C10H12O2 |
Molecular Weight:164.201 Density:1.1±0.1 g/cm3 Boiling Point:252.7±15.0 °C at 760 mmHg Melting Point:N/A |
2930-05-4 |
Tetrahydropalmatine |
C21H25NO4 |
Molecular Weight:355.427 Density:1.2±0.1 g/cm3 Boiling Point:482.9±45.0 °C at 760 mmHg Melting Point:155℃ |
2934-97-6 |
tert-Butyl (2H3)methyl ether |
C5H9D3O |
Molecular Weight:91.167 Density:0.8±0.1 g/cm3 Boiling Point:55.2±0.0 °C at 760 mmHg Melting Point:N/A |
29366-08-3 |
4-(2H3)Methyl(2H4)pyridine |
C6D7N |
Molecular Weight:100.170 Density:0.9±0.1 g/cm3 Boiling Point:144.2±9.0 °C at 760 mmHg Melting Point:N/A |
29372-29-0 |
1,1,1-trichloro-2,2-bis-[4-chlorophenyl]ethane-ring-ul-14c |
C14H9Cl5 |
Molecular Weight:378.39700 Density:N/A Boiling Point:N/A Melting Point:N/A |
29411-63-0 |
o-aminobutylbenzene |
C10H15N |
Molecular Weight:149.233 Density:0.9±0.1 g/cm3 Boiling Point:223.9±9.0 °C at 760 mmHg Melting Point:N/A |
2941-19-7 |
(S)-(2,3,4,5-TETRAHYDRO-1H-BENZO[B]AZEPIN-5-YL)AMINE |
C10H14N2 |
Molecular Weight:162.23200 Density:N/A Boiling Point:N/A Melting Point:N/A |
294196-07-9 |
(R)-(2,3,4,5-TETRAHYDRO-1H-BENZO[B]AZEPIN-5-YL)AMINE |
C10H14N2 |
Molecular Weight:162.23200 Density:1.029g/cm3 Boiling Point:283ºC at 760 mmHg Melting Point:N/A |
294196-60-4 |
2,3-Dichlorodibenzo-p-dioxin |
C12H6Cl2O2 |
Molecular Weight:253.08100 Density:1.47g/cm3 Boiling Point:351.4ºC at 760mmHg Melting Point:N/A |
29446-15-9 |
(6S,8R,9S,10R,13S,14S,17S)-6,17-dihydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one |
C19H28O3 |
Molecular Weight:304.42400 Density:1.19g/cm3 Boiling Point:479.8ºC at 760 mmHg Melting Point:N/A |
2944-87-8 |
N1,N1-DIETHYL-N2-(NAPHTHALEN-1-YL)ETHANE-1,2-DIAMINE OXALATE |
C18H24N2O4 |
Molecular Weight:332.39400 Density:N/A Boiling Point:N/A Melting Point:N/A |
29473-53-8 |
N-Methyl-D-alanine |
C4H9NO2 |
Molecular Weight:103.120 Density:1.0±0.1 g/cm3 Boiling Point:190.1±23.0 °C at 760 mmHg Melting Point:N/A |
29475-64-7 |
L-2-(4-Bromophenyl)-1,3-thiazolane-4-carboxylic acid |
C10H10BrNO2S |
Molecular Weight:288.16100 Density:1.629g/cm3 Boiling Point:474ºC at 760 mmHg Melting Point:175-177ºC |
294866-41-4 |
2-Aminotetralin |
C10H13N |
Molecular Weight:147.217 Density:1.0±0.1 g/cm3 Boiling Point:250.7±29.0 °C at 760 mmHg Melting Point:149-151 °C |
2954-50-9 |
4-aminophenyl-1-thio-beta-d-galactopyranoside |
C12H17NO5S |
Molecular Weight:287.33200 Density:1.54 Boiling Point:587℃ Melting Point:172-173ºC |
29558-05-2 |
UDP-ALPHA-D-GALACTOSE DISODIUM SALT |
C15H22N2Na2O17P2 |
Molecular Weight:610.265 Density:1.97g/cm3 Boiling Point:N/A Melting Point:N/A |
2956-16-3 |
trans-Crotyl bromide |
C4H7Br |
Molecular Weight:135.002 Density:1.3±0.1 g/cm3 Boiling Point:104.5±0.0 °C at 760 mmHg Melting Point:-115.07°C (estimate) |
29576-14-5 |
trans-3-(4-Chlorobenzoyl)acrylic acid |
C10H7ClO3 |
Molecular Weight:210.61400 Density:1.366g/cm3 Boiling Point:379.5ºC at 760mmHg Melting Point:130-134ºC(lit.) |
29582-39-6 |
2-Methylleucine |
C7H15NO2 |
Molecular Weight:145.19900 Density:1.017g/cm3 Boiling Point:236.005°C at 760 mmHg Melting Point:N/A |
29589-03-5 |
1-[2-(Dimethylamino)ethyl]-4-methylpiperazine |
C9H21N3 |
Molecular Weight:171.283 Density:0.9±0.1 g/cm3 Boiling Point:207.5±8.0 °C at 760 mmHg Melting Point:N/A |
29589-40-0 |
4-(2-octylamino)diphenylamine |
C20H28N2 |
Molecular Weight:296.45000 Density:N/A Boiling Point:N/A Melting Point:N/A |
29590-61-2 |
PTH-(NEPSILON-PTC)-LYSINE |
C20H22N4OS2 |
Molecular Weight:398.54500 Density:1.33g/cm3 Boiling Point:530.8ºC at 760 mmHg Melting Point:165ºC |
29635-94-7 |
1,3-Bis[(2H3)methyl]benzene |
C8H4D6 |
Molecular Weight:112.202 Density:0.9±0.1 g/cm3 Boiling Point:140.6±10.0 °C at 760 mmHg Melting Point:N/A |
29636-65-5 |
2-(4-methoxyphenyl)butanoic acid |
C11H14O3 |
Molecular Weight:194.22700 Density:1.112g/cm3 Boiling Point:323.2ºC at 760mmHg Melting Point:N/A |
29644-99-3 |
3,5-Difluoro-4-hydroxybenzonitrile |
C7H3F2NO |
Molecular Weight:155.102 Density:1.5±0.1 g/cm3 Boiling Point:221.0±40.0 °C at 760 mmHg Melting Point:200-208℃ |
2967-54-6 |
L-Phenylalanine-15N |
C9H1115NO2 |
Molecular Weight:166.18 Density:1.2±0.1 g/cm3 Boiling Point:307.5±30.0 °C at 760 mmHg Melting Point:270-275ºC (dec.)(lit.) |
29700-34-3 |
H-Ala-Ile-OH |
C9H18N2O3 |
Molecular Weight:202.25100 Density:1.108g/cm3 Boiling Point:409.7ºC at 760 mmHg Melting Point:N/A |
29727-65-9 |
Dipotassium 1-O-phosphonato-D-glucopyranose |
C6H11K2O9P |
Molecular Weight:336.316 Density:N/A Boiling Point:603ºC at 760 mmHg Melting Point:N/A |
29732-59-0 |
Methyl 3,5-dioxohexanoate |
C7H10O4 |
Molecular Weight:158.15200 Density:1.115 g/cm3 Boiling Point:221.6ºC at 760 mmHg Melting Point:N/A |
29736-80-9 |
Methyl 2,3,5-tri-O-(4-chlorobenzoyl)-beta-D-ribofuranoside |
C27H21Cl3O8 |
Molecular Weight:579.81000 Density:N/A Boiling Point:N/A Melting Point:110-112ºC |
29755-00-8 |
1,1,1-trideuterio-6-(dimethylamino)-4,4-diphenylheptan-3-one |
C21H24D3NO |
Molecular Weight:312.46400 Density:N/A Boiling Point:N/A Melting Point:N/A |
60263-63-0 |
(R)-2-AMINO-4-MERCAPTOBUTANOIC ACID |
C4H9NO2S |
Molecular Weight:135.185 Density:1.3±0.1 g/cm3 Boiling Point:299.7±35.0 °C at 760 mmHg Melting Point:N/A |
6027-14-1 |
aspalathin |
C21H24O11 |
Molecular Weight:452.40900 Density:1.662±0.06 g/cm3 (20ºC 760 Torr) Boiling Point:N/A Melting Point:131-165ºC |
6027-43-6 |
L-Gulose |
C6H12O6 |
Molecular Weight:180.156 Density:1.7±0.1 g/cm3 Boiling Point:410.8±45.0 °C at 760 mmHg Melting Point:132ºC |
6027-89-0 |
(2S)-threonine |
C4H9NO3 |
Molecular Weight:119.119 Density:1.3±0.1 g/cm3 Boiling Point:345.8±32.0 °C at 760 mmHg Melting Point:244ºC |
6028-28-0 |
2-ACETAMIDO-2-DEOXY-3-O-(ALPHA-D-GALACTOPYRANOSYL)-D-GALACTOSE |
C14H25NO11 |
Molecular Weight:383.34800 Density:1.64g/cm3 Boiling Point:795.5ºC at 760 mmHg Melting Point:152-155ºC |
60283-31-0 |
1-(4-Pyridyl)-1-propylamine |
C8H12N2 |
Molecular Weight:136.19400 Density:0.998g/cm3 Boiling Point:238.4ºC at 760 mmHg Melting Point:N/A |
60289-68-1 |
(S)-(+)-2-Heptanol |
C7H16O |
Molecular Weight:116.20100 Density:0.815 Boiling Point:149-150ºC Melting Point:N/A |
6033-23-4 |
(R)-(-)-2-Heptanol |
C7H16O |
Molecular Weight:116.20100 Density:0.818 Boiling Point:159.4ºC at 760 mmHg Melting Point:N/A |
6033-24-5 |
5-(4-nitrophenyl)furan-2-carbonyl chloride |
C11H6ClNO4 |
Molecular Weight:251.62300 Density:1.431g/cm3 Boiling Point:409.2ºC at 760 mmHg Melting Point:N/A |
60335-99-1 |
ALPHA FURILDIOXIME |
C10H8N2O4 |
Molecular Weight:220.18200 Density:N/A Boiling Point:N/A Melting Point:166-168ºC(lit.) |
6035-71-8 |
L-erythro Sphinganine (d18:0) |
C18H39NO2 |
Molecular Weight:301.50800 Density:N/A Boiling Point:N/A Melting Point:N/A |
6036-76-6 |
2,6-dimethyl phenyl hydrazine |
C8H12N2 |
Molecular Weight:136.19400 Density:N/A Boiling Point:N/A Melting Point:N/A |
603-77-0 |