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5-Methylhydantoin

5-Methylhydantoin structure

CAS No.: 616-03-5

Chemical Name:: 5-Methylhydantoin

Synonyms: 2,4-Imidazolidinedione, 5-methyl-;5-METHYLIMIDAZOLIDINE-2,4-DIONE;NSC75829;AI3-61188;NSC 75829;ST5409440;KBio2_002436;KBio2_005004;KBio2_007572;KBio3_001892

CBNumber:: CB9178135

Molecular Formula:: C4H6N2O2

Molecular Weight:: 114.1

MDL Number:: MFCD00022398

MOL File:: 616-03-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 05:10:10

Product description	Number	Pack Size	Price
5-Methylhydantoin 97%	533653	1g	$73.1
5-Methylhydantoin >98.0%(T)	M1699	1g	$27
5-Methylhydantoin	161961	1g	$403
5-Methylhydantoin 95%	OR451305	1g	$33
5-Methylhydantoin 95%	OR451305	5g	$123
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5-Methylhydantoin Properties

Melting point	148-152 °C(lit.)
Boiling point	213.59°C (rough estimate)
Density	1.3565 (rough estimate)
refractive index	1.4487 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	Methanol (Slightly), Water (Slightly)
form	Solid
pka	8.91±0.10(Predicted)
color	White
Water Solubility	Insoluble in water.
BRN	81081
InChI	1S/C4H6N2O2/c1-2-3(7)6-4(8)5-2/h2H,1H3,(H2,5,6,7,8)
InChIKey	VMAQYKGITHDWKL-UHFFFAOYSA-N
SMILES	CC1NC(=O)NC1=O
CAS DataBase Reference	616-03-5(CAS DataBase Reference)
NIST Chemistry Reference	2,4-Imidazolidinedione, 5-methyl-(616-03-5)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

HS Code

2933210090

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	1
0		0

5-Methylhydantoin price More Price(45)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	533653	5-Methylhydantoin 97%	616-03-5	1g	$73.1	2026-04-30	Buy
TCI Chemical	M1699	5-Methylhydantoin >98.0%(T)	616-03-5	1g	$27	2021-12-16	Buy
Usbiological	161961	5-Methylhydantoin	616-03-5	1g	$403	2026-06-03	Buy
Apolloscientific	OR451305	5-Methylhydantoin 95%	616-03-5	1g	$33	2026-06-04	Buy
Apolloscientific	OR451305	5-Methylhydantoin 95%	616-03-5	5g	$123	2026-06-04	Buy

Product number	Packaging	Price	Buy
533653	1g	$73.1	Buy
M1699	1g	$27	Buy
161961	1g	$403	Buy
OR451305	1g	$33	Buy
OR451305	5g	$123	Buy

5-Methylhydantoin Chemical Properties,Uses,Production

Chemical Properties

White Crystalline Solid

Uses

5-Methylhydantoin is a derivative of Hydantoin (H675000), a heterocyclic compound used to synthesis various pharmaceutical goods including anticonvulsants such as fosphenytoin (F728900).

Uses

5-Methylhydantoin is usede as a reactant for preparation of N-chlorohydantoin, Mitsunobu reaction, Pseudomonas putida strain allowing conversion into L-amino acids, D-hydantoinase from Agrobacteria tumefaceins and enzymatic racemization.

Definition

ChEBI: 5-methylimidazolidine-2,4-dione is an imidazolidine-2,4-dione.

5-Methylhydantoin Preparation Products And Raw materials

Raw materials

Preparation Products

5-Methylhydantoin Suppliers

Global( 112)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29792	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52704	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18126	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49897	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43333	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43414	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131956	58
Mainchem Co., Ltd.	+86-0592-6210733	sale@mainchem.com	China	32343	55
Chemwill Asia Co.,Ltd.	86-21-51086038	chemwill_asia@126.com	CHINA	23912	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76

Supplier	Advantage
career henan chemical co	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Hebei Chuanghai Biotechnology Co., Ltd	58
GIHI CHEMICALS CO.,LIMITED	58
HANGZHOU LEAP CHEM CO., LTD.	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
Amadis Chemical Company Limited	58
Mainchem Co., Ltd.	55
Chemwill Asia Co.,Ltd.	58
J & K SCIENTIFIC LTD.	76

View Lastest Price from 5-Methylhydantoin manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2020-01-01	5-Methylhydantoin 616-03-5	$9.80	1KG	≥98%	20 tons	Career Henan Chemical Co

5-Methylhydantoin
616-03-5
$9.80
≥98%
Career Henan Chemical Co

5-Methylhydantoin Spectrum

5-Methylhydantoin(616-03-5)MS 5-Methylhydantoin(616-03-5)¹HNMR 5-Methylhydantoin(616-03-5)¹³CNMR 5-Methylhydantoin(616-03-5)IR1 5-Methylhydantoin(616-03-5)IR2

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5-Methyl-2,4-imidazolidinedione Hydantoin, 5-methyl- 5-METHYLHYDANTION DL-5-METHYLHYDANTOIN 5-METHYLIMIDAZOLIDINE-2,4-DIONE 5-METHYLHYDANTOIN 5-Methylhydantoin,98% (S)-5-Methylhydantoin 5-Methylhydantoin 97% 2,4-Imidazolidinedione, 5-methyl- (9CI) AI3-61188 Hydantoin, 5-methyl- (8CI) KBio2_002436 KBio2_005004 KBio2_007572 KBio3_001892 KBioGR_001899 KBioSS_002442 NSC 75829 NSC75829 Spectrum_001906 Spectrum3_000916 Spectrum4_001200 Spectrum5_001760 ST5409440 533653_ALDRICH 5-Methylhydantoin> Hydantoin Impurity 18 5-Methyl-1H-imidazolidine-2,4-dione 2,4-Imidazolidinedione, 5-methyl- 616-03-5 Building Blocks Heterocyclic Building Blocks Imidazolines/Imidazolidines Building Blocks Heterocyclic Building Blocks Imidazolines/Imidazolidines Hydantoins & Derivatives Hydantoins and Derivatives