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Carbamothioic acid, O-(1-methylethyl) ester, also known as S-isopropylcysteamine thiolester or O-isopropylcysteine thiolester, is an organic compound with the chemical formula C5H11NO2S. It is a colorless liquid with a molecular weight of 145.21 g/mol. Carbamothioic acid, O-(1-methylethyl) ester is a derivative of carbamothioic acid, where the hydroxyl group is replaced by an isopropylcysteine group. It is used as a reagent in organic synthesis, particularly in the preparation of various sulfur-containing compounds and as a precursor in the synthesis of pharmaceuticals and agrochemicals. Due to its reactivity, it is important to handle Carbamothioic acid, O-(1-methylethyl) ester with care, following proper safety protocols.

691-61-2

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Basic information
1. Product Name: Carbamothioic acid, O-(1-methylethyl) ester
2. Synonyms:
3. CAS NO:691-61-2
4. Molecular Formula: C4H9NOS
5. Molecular Weight: 119.188
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Carbamothioic acid, O-(1-methylethyl) ester(CAS DataBase Reference)
10. NIST Chemistry Reference: Carbamothioic acid, O-(1-methylethyl) ester(691-61-2)
11. EPA Substance Registry System: Carbamothioic acid, O-(1-methylethyl) ester(691-61-2)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 691-61-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 691-61-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 691-61:
(5*6)+(4*9)+(3*1)+(2*6)+(1*1)=82
82 % 10 = 2
So 691-61-2 is a valid CAS Registry Number.

691-61-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name	thiocarbamic acid O-isopropyl ester

1.2 Other means of identification

Product number	-
Other names	Isopropylthioncarbamat

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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