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S-Methyl isovalerate

S-Methyl isovalerate Structure
S-Methyl isovalerate structure
CAS No.
23747-45-7
Chemical Name:
S-Methyl isovalerate
Synonyms
FEMA 3864;S-METHYL 3-METHYLBUTANETHIOATE;Ester of ISO;EINECS 245-863-6;S-METHYLISOVALERATE;methyl thio isovalerate;S-methyl thioisovalerate;Methyl isopentanethioate;Methanethiol isovalerate;S-METHYL ISOPENTANETHIOATE
CBNumber:
CB8470816
Molecular Formula:
C6H12OS
Molecular Weight:
132.22
MDL Number:
MFCD08437077
MOL File:
23747-45-7.mol
MSDS File:
SDS
Last updated:2026-05-28 03:52:06
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S-Methyl isovalerate Properties

Boiling point 50 °C(Press: 20 Torr)
Density 0.950±0.06 g/cm3(Predicted)
FEMA 3864 | S-METHYL 3-METHYLBUTANETHIOATE
FLAVIS Number 12.157 | S-Methyl isopentanethioate
Odor at 0.10 % in propylene glycol. sharp ripe cheese sulfury acrid fermented tomato mushroom
Odor Type cheesy
JECFA Number 487
LogP 2.14
Substances Added to Food (formerly EAFUS) S-METHYL 3-METHYLBUTANETHIOATE
FDA UNII UB23WZ59H0
NIST Chemistry Reference S-methyl 3-methylbutanethioate(23747-45-7)
EPA Substance Registry System Butanethioic acid, 3-methyl-, S-methyl ester (23747-45-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)
GHS02
Signal word  Warning
Hazard statements  H226
TSCA  TSCA listed

S-Methyl isovalerate price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Biosynth FM35694 S-Methylisovalerate 23747-45-7 5g $150 2026-06-04 Buy
Biosynth FM35694 S-Methylisovalerate 23747-45-7 10g $150 2026-06-04 Buy
aablocks AA00C12B S-Methyl 3-methylbutanethioate ≥95% 23747-45-7 1g $13 2026-05-28 Buy
aablocks AA00C12B S-Methyl 3-methylbutanethioate ≥95% 23747-45-7 5g $31 2026-05-28 Buy
aablocks AA00C12B S-Methyl 3-methylbutanethioate ≥95% 23747-45-7 25g $102 2026-05-28 Buy
Product number Packaging Price Buy
FM35694 5g $150 Buy
FM35694 10g $150 Buy
AA00C12B 1g $13 Buy
AA00C12B 5g $31 Buy
AA00C12B 25g $102 Buy

S-Methyl isovalerate Chemical Properties, Uses, Production

Occurrence

Reported found in cheeses, fish oil and hops.

Definition

ChEBI: S-Methyl 3-methylthiobutyrate is a thiocarboxylic ester.

Aroma threshold values

Aroma characteristics at 1.0%: sharp ripe cheesy, sulfurous, acrid fermented with tomato, mushroom and potato vegetative notes and dairy cheesy nuances

Taste threshold values

Taste characteristics at 2.5 to 5 ppm: intense fermented, creamy dairy and cheesy with vegetative nuances.

S-Methyl isovalerate synthesis

75-30-9
2365-48-2
23747-45-7
Synthesis of S-Methyl isovalerate from 2-Iodopropane and Methyl thioglycolate

S-Methyl isovalerate Preparation Products And Raw materials

Raw materials

Methyl isovalerate 2-Iodopropane Methyl mercaptan Iodomethane Methyl thioglycolate
Isovaleryl chloride Trimethylaluminium

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Preparation Products

S-Methyl isovalerate Suppliers

Global Suppliers ( 58)
Supplier Tel Email Country ProdList Advantage
LYSCHEM International LLC 13911018262 sales@lyschem.us Americas 467 58
Shijiazhuang Lida Chemical Co., Ltd. +86 (311) 8573-7996 service@lid-ff.cn China 294 65
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Guangzhou Kafen Biotech Co.,Ltd 18029243487 2355327168 gy@yccreate.com China 4738 55
Taian Jiaye Biotechnology Co.Ltd 15318151873;13127280945 285424065@qq.com China 9961 55
Zhuhai JiaYi Biological Technology Co., Ltd. 18578209868 2355327026 steroidbest@hotmail.com China 6488 58
Zhengzhou Acme Chemical Co., Ltd. 037163312495 13303845143 1416159398@qq.com China 10150 58
Shanghai wencai New Material Technology Co., Ltd. 15721586846 wencaimat@163.com China 2792 58
Tianjin Danjun International Trade Co., Ltd. 15822601686 shashasong@163.com CHINA 526 58
Supplier Advantage
LYSCHEM International LLC 58
Shijiazhuang Lida Chemical Co., Ltd. 65
Shanghai YuanYe Biotechnology Co., Ltd. 60
Amadis Chemical Company Limited 58
Guangzhou Kafen Biotech Co.,Ltd 55
Taian Jiaye Biotechnology Co.Ltd 55
Zhuhai JiaYi Biological Technology Co., Ltd. 58
Zhengzhou Acme Chemical Co., Ltd. 58
Shanghai wencai New Material Technology Co., Ltd. 58
Tianjin Danjun International Trade Co., Ltd. 58

View Latest Price from S-Methyl isovalerate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
S-Methyl isovalerate pictures 2026-06-30 S-Methyl isovalerate
23747-45-7
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
S-Methyl isovalerate pictures 2024-07-22 S-Methyl isovalerate
23747-45-7
 1kg 99% 10ton JINING XINHE CHEMICAL CO., LTD
S-Methyl isovalerate pictures 2019-12-23 S-Methyl isovalerate
23747-45-7
 $1.00 1KG 85.0-99.8% 20ton Career Henan Chemical Co

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Butanethioic acid, 3-methyl-, S-methyl ester S-methyl thio-3-methylbutyrate S-methyl thioisovalerate S-METHYLISOVALERATE S-METHYL ISOPENTANETHIOATE METHYL (3-METHYL)THIOBUTYRATE EINECS 245-863-6 3-methyl-butanethioic acid s-methyl ester Methanethiol isovalerate Methyl isopentanethioate S-Methyl 3-methylthiobutyrate Ester of ISO methyl thio isovalerate S-methyl 3-methylbutamethioate S-Methyl isovalerate USP/EP/BP FEMA 3864 S-METHYL 3-METHYLBUTANETHIOATE 23747-45-7 thioester Flavor