Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,5,5-TRIMETHYLHYDANTOIN
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,5,5-TRIMETHYLHYDANTOIN
Price: ￥448.0/5g ￥138.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: 1,5,5-Trimethylhydantoin
Price: $Inquiry/250mg $Inquiry/100mg $Inquiry/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,5,5-Trimethylhydantoin
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

6851-81-6

6851-81-6 structure

6851-81-6 structure

Name: 1,5,5-TRIMETHYLHYDANTOIN
Chemical Name: 1,5,5-Trimethylhydantoin
CAS Number: 6851-81-6
Molecular Formula: C₆H₁₀N₂O₂
Molecular Weight: 142.15600
Catalog: Research Areas Others
Create Date: 2018-09-13 20:55:25
Modify Date: 2025-08-25 10:33:01
1,5,5-Trimethylhydantoin (TMH) is a non-isotopic internal standard (IS)[1].

Name	1,5,5-Trimethylhydantoin
Synonyms	1,5,5-trimethylimidazolidine-2,4-dione MFCD00040439 EINECS 229-945-9

Description	1,5,5-Trimethylhydantoin (TMH) is a non-isotopic internal standard (IS)[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Zi-Ao Huang, et al. Application of multisegment injection on quantification of creatinine and standard addition analysis of urinary 5-hydroxyindoleacetic acid simultaneously with creatinine normalization. Electrophoresis. 2020 Feb;41(3-4):183-193.

Density	1.117 g/cm3
Melting Point	161-164 °C(lit.)
Molecular Formula	C₆H₁₀N₂O₂
Molecular Weight	142.15600
Exact Mass	142.07400
PSA	49.41000
LogP	0.21330
Index of Refraction	1.463
Storage condition	2~8°C

Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
WGK Germany	3
HS Code	2933990090

951-13-3 structure

951-13-3

74-88-4 structure

74-88-4

~29%

6851-81-6 structure

6851-81-6

Literature: Helvetica Chimica Acta, , vol. 75, p. 1251 - 1261

77-71-4 structure

77-71-4

~%

6851-81-6 structure

6851-81-6

Literature: Helvetica Chimica Acta, , vol. 75, p. 1251 - 1261

6843-47-6 structure

6843-47-6

102617-77-6 structure

102617-77-6

~%

6851-81-6 structure

6851-81-6

102617-84-5 structure

102617-84-5

Literature: Journal of Heterocyclic Chemistry, , vol. 22, # 4 p. 1025 - 1028

6345-19-3 structure

6345-19-3

102617-77-6 structure

102617-77-6

~%

6851-81-6 structure

6851-81-6

102617-83-4 structure

102617-83-4

Literature: Journal of Heterocyclic Chemistry, , vol. 22, # 4 p. 1025 - 1028

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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