hydantoin


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hy·dan·to·in

(hī-dan'tō-in),
2,4-Imidazolidinedione; derived from urea or from allantoin; the NH-CH2-CO group is prototypical of α-amino acids. Hydantoin derivatives are formed by the reaction of phenylisothiocyanate or phenylisocyanate and a polypeptide.
Synonym(s): glycolylurea

hy·dan·to·in

(hī-dan'tō-in)
A crystalline heterocyclic compound derived from urea or from allantoin; the NH-CH2-CO group is prototypical of α-amino acids.

hydantoin

(hī-dăn′tō-ĭn)
A colorless base, glycolyl urea, C3H4N2O2, derived from urea or allantoin.
References in periodicals archive ?
Poupaert, Sulfurated hydantoin derivatives and pharmaceutical compositions containing same, Patent US 4713390, 1987.
(64) Eventually the company engaged in a dialogue with EWG that Lucinda Treat, Revlon's chief legal and administrative officer, describes as "very constructive." Among other things, Revlon's new website states that it does not use triclosan, phthalates, certain parabens, or the so-called "toxic trio" of nail polish ingredients (formaldehyde, toluene, and dibutyl phthalate); it states that it is phasing out quaternium-15 and DM DM hydantoin; and it defends its use of petrolatum and the sunscreen ingredient benzophenone-3, (63) which has shown some evidence of endocrine disruption in aquatic environments.
Urea-based ASPs were not detected as evidenced by the lack of hydantoin ring formation upon heating the NCO/AE product.
Anticonvulsants, particularly the hydantoins and barbiturates, are related to hemorrhagic disease of the newborn, so adequate doses of vitamin K should be administered to newborns exposed to AEDs in utero.
Children with fetal hydantoin syndrome typically show multiple symptoms, including disorders of growth and of mental development, dysmorphic craniofacial features, and hypoplasia of the nails and distal phalanges.
The 1,5 dichloro 5,5 dimethyl hydantoin had the highest average strength, but was not statistically different from that of n-bromomethyl phthalimide or n-iodosuccinimide.
Hydantoin derivatives were prepared and the enol/keto ratios determined.
Polyaldo 10-1-CC (Lonza) 2.0 (Polyglyceryl-10 caprylate/caprate) Glycosperse L-20 KFG (Lonza) (Polysorbate 20) 0.5 Natrulon H-6 (Lonza) (Polyglycerin-6 (and) water) 0.5 Phase B Genti-fol SA (Lonza) (Betaine salicylate) 0.5 NAB Rhodiola Extract (Lonza) (Water (and) pentylene 0.5 glycol (and) rhodiola rosea root extract) Phase C CE-7081 (Dow Corning) (Silicone quaternium-16/ 1.0 glycidoxy dimethicone crosspolymer (and) undeceth-11 (and) undeceth-5) Carsoquat CT429 (Lonza) (Cetrimonium chloride) 1.5 Glydant Plus Liquid (Lonza) (DMDM hydantoin (and) 0.35 iodopropynyl butylcarbamate) Phase D Colour Glam (IFF) (Parfum) 0.5 Cremophor RH40 (PEG-40 Hydrogenated castor oil) 1.0 Moisturizing Hand Sanitizer Spray
The most common allergens in body washes were methylisothiazolinone (19 of 50), quaternium-15 (16), sodium benzoate (15), methylchloroisothiazolinone / methylisothiazolinone (12), DMDM hydantoin (10), and phenoxyethanol (9).
Be aware of products that are contained in deodorants like DMDM hydantoin, imidazolidinyl urea, and limonene.
Tenders are invited for Lactones, neog, heterocyclic compounds only hetero-atom (s) of nitrogen, with the structure of noncondensable pirazynove ring, pyrimidine ring or ring piperazolne phenothiazine ring system not further condensation; hydantoin and its derivatives; sulfonamides (narcotic and psychotropic drugs, precursors)
Grey et al and Keppler et al (6) had stated that cloacal extrophy is associated with maternal exposure to diphenyl hydantoin and valproic acid and cigarette smoking.