Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Desmeninol calcium
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Hydroxy-4-(methylthio)butyric acid calcium salt
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: high quality Calcium bis(2-hydroxy-4-(methylthio)butyrate)
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

4857-44-7

4857-44-7 structure

4857-44-7 structure

Name: Desmeninol calcium
Chemical Name: Calcium 2-hydroxy-4-(methylthio)butanoate
CAS Number: 4857-44-7
Molecular Formula: C₁₀H₁₈CaO₆S₂
Molecular Weight: 338.454
Catalog: Biochemical Common amino acids and protein drugs
Create Date: 2018-08-24 07:29:45
Modify Date: 2025-08-20 09:59:57

Name	Calcium 2-hydroxy-4-(methylthio)butanoate
Synonyms	Desmeninol calcium 2-Hydroxy-4-(methylthio)butyric Acid Calcium Salt Calcium 2-hydroxy-4-(methylthio)butanoate α-Hydroxy-DL-methionine Calcium Salt EINECS 213-075-1 Calcium bis[2-hydroxy-4-(methylsulfanyl)butanoate] Butanoic acid, 2-hydroxy-4-(methylthio)-, calcium salt (2:1) MFCD00042725 calcium bis(2-hydroxy-4-(methylthio)butyrate) CalciuM 2-Hydroxy-4-(Methylthio)butyrate Calcium α-Hydroxy-DL-methionine

Boiling Point	316.5ºC at 760 mmHg
Molecular Formula	C₁₀H₁₈CaO₆S₂
Molecular Weight	338.454
Flash Point	145.2ºC
Exact Mass	338.017059
PSA	143.66000
LogP	0.21580
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ET4731600

CAS REGISTRY NUMBER :: 4857-44-7

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H9-O3-S.1/2Ca

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 12870 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 31(Suppl),54,1986

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	ET4731600
HS Code	2930909090

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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