up ortho- in Wiktionary, the free dictionary. Ortho- is a Greek prefix meaning “straight”, “upright”, “right” or “correct”. Ortho may refer to: Ortho, Belgium...
2 KB (225 words) - 17:50, 4 February 2024
Look up ortho- in Wiktionary, the free dictionary. Orthos can refer to: Orthos (skipper), a genus of butterfly in the grass skipper family Orthos (Thessaly)...
353 bytes (80 words) - 23:58, 15 September 2018
Ortho effect is an organic chemistry phenomenon where the presence of a chemical group at the at ortho position or the 1 and 2 position of a phenyl ring...
8 KB (938 words) - 01:22, 25 October 2024
In organic chemistry, an ortho ester is a functional group containing three alkoxy groups attached to one carbon atom, i.e. with the general formula RC(OR')3...
7 KB (771 words) - 15:07, 1 October 2024
organic chemistry, ortho acids are organic, hypothetical chemical compounds having the structure R−C(OH)3 (R = alkyl or aryl). Ortho acids themselves are...
2 KB (180 words) - 00:27, 21 July 2023
Arene substitution pattern (redirect from Aromatic ortho position)
than hydrogen in relation to each other on an aromatic hydrocarbon. In ortho-substitution, two substituents occupy positions next to each other, which...
10 KB (1,049 words) - 07:36, 10 January 2025
1,2-Benzoquinone (redirect from Ortho-benzoquinone)
1,2-Benzoquinone, also called ortho-benzoquinone, is an organic compound with formula C6H4O2. It is one of the two isomers of quinone, the other being...
6 KB (477 words) - 16:03, 27 January 2024
ortho-Vanillin (2-hydroxy-3-methoxybenzaldehyde) is an organic solid present in the extracts and essential oils of many plants. Its functional groups...
8 KB (648 words) - 22:14, 7 January 2025
ortho-Carborane is the organoboron compound with the formula C2B10H12. The prefix ortho is derived from ortho. It is the most prominent carborane. This...
16 KB (1,544 words) - 00:35, 15 April 2024
Ortho Clinical Diagnostics (now QuidelOrtho) is an in vitro diagnostics company that made products and diagnostic equipment for blood testing. Ortho served...
8 KB (661 words) - 21:01, 26 August 2024
Nitrophenol (redirect from Ortho nitrophenol)
Nitrophenols are compounds of the formula HOC6H5−x(NO2)x. The conjugate bases are called nitrophenolates. Nitrophenols are more acidic than phenol itself...
5 KB (225 words) - 19:28, 31 January 2024
Janssen Pharmaceuticals (redirect from Centocor Ortho Biotech, Inc.)
HIV/AIDS, allergies and cancer. Janssen and Ortho-McNeil Pharmaceutical have been placed in the Ortho-McNeil-Janssen group within Johnson & Johnson...
33 KB (3,167 words) - 11:30, 17 December 2024
Tricresyl phosphate (redirect from Tri-ortho-cresyl phosphate)
especially the all-ortho isomer, is the causative agent in a number of acute poisonings. Its chronic toxicity is also of concern. The ortho-isomer is rarely...
21 KB (2,240 words) - 21:12, 27 October 2024
Contraceptive patch (redirect from Ortho evra)
three days prior to and seven days during use of Ortho Evra "did not reduce effectiveness of Ortho Evra." This is a significant factor in the common...
25 KB (2,364 words) - 05:31, 1 July 2024
O-Xylene (redirect from Ortho-xylene)
o-Xylene (ortho-xylene) is an aromatic hydrocarbon with the formula C6H4(CH3)2, with two methyl substituents bonded to adjacent carbon atoms of a benzene...
6 KB (352 words) - 20:51, 19 October 2024
Orthos is a genus of skippers in the family Hesperiidae. Recognised species in the genus Orthos include: Orthos orthos (Godman, [1900]) Orthos gabina (Godman...
2 KB (80 words) - 01:52, 21 October 2024
Orthokeratology (redirect from Ortho-K)
Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology...
17 KB (2,214 words) - 16:04, 16 September 2024
Spin isomers of hydrogen (redirect from Ortho-Para Hydrogen)
containing more than 75% orthohydrogen by heating. A mixture or 50:50 mixture of ortho- and parahydrogen can be made in the laboratory by passing it over an iron(III)...
27 KB (3,308 words) - 01:25, 15 January 2025
1,2-Dibromobenzene (redirect from Ortho-dibromobenzene)
1,2-Dibromobenzene (o-dibromobenzene) is an aryl bromide and isomer of dibromobenzene. It is one of three isomers, the others being 1,3- and 1,4-dibromobenzene...
2 KB (105 words) - 21:28, 10 February 2024
substitution at the ortho or para positions, whereas other groups favor substitution at the meta position. These groups are called either ortho–para directing...
18 KB (2,168 words) - 20:30, 8 October 2024
Nicotine (redirect from Ortho N-4 Dust)
Nicotine is a naturally produced alkaloid in the nightshade family of plants (most predominantly in tobacco and Duboisia hopwoodii) and is widely used...
137 KB (14,249 words) - 03:52, 12 January 2025
ortho-Nitrophenyl-β-galactoside (ONPG) is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activity. This compound is...
2 KB (151 words) - 11:55, 29 September 2024
Norelgestromin/ethinylestradiol (redirect from Ortho Evra)
Norelgestromin/ethinylestradiol, sold under the brand name Ortho Evra among others, is a contraceptive patch containing the progestin norelgestromin and...
8 KB (452 words) - 14:45, 9 October 2024
2-Nitroaniline (redirect from Ortho-nitroaniline)
name 2-Nitroaniline Systematic IUPAC name 2-Nitrobenzenamine Other names ortho-Nitroaniline o-Nitroaniline Identifiers CAS Number 88-74-4 Y 3D model (JSmol)...
5 KB (307 words) - 07:26, 14 December 2024
Ortho Pharmaceutical was initially formed in the United States in 1931 as a subsidiary of Johnson & Johnson to market the first prescription spermicidal...
5 KB (435 words) - 06:57, 23 July 2023
Directed ortho metalation (DoM) is an adaptation of electrophilic aromatic substitution in which electrophiles attach themselves exclusively to the ortho- position...
9 KB (1,041 words) - 06:11, 2 November 2024
Ortho Mattress is an American mattress and bedding company with retail and manufacturing headquarters in La Mirada, California. It was founded in 1957...
3 KB (280 words) - 02:55, 24 January 2024
O-Cresol (redirect from Ortho-cresol)
ortho-Cresol (IUPAC name: 2-methylphenol, also known as 2-hydroxytoluene or ortho-Toluenol) is an organic compound with the formula CH3C6H4(OH). It is...
7 KB (488 words) - 18:06, 21 September 2023
Diethynylbenzene dianion (redirect from Ortho-Diethynylbenzene dianion)
differing in the relative positions of the two substituents around the ring: ortho-diethynylbenzene dianion meta-diethynylbenzene dianion para-diethynylbenzene...
5 KB (486 words) - 13:09, 4 December 2024
Ethinylestradiol/norethisterone (redirect from Ortho-novum)
Ethinylestradiol/norethisterone (EE/NET), or ethinylestradiol/norethindrone, is a combination birth control pill which contains ethinylestradiol (EE),...
7 KB (492 words) - 00:13, 14 October 2024