Monothiophosphors?ure-O,O-dimethylester-S-<2-chlor-phenylester>, also known as O,O-dimethyl 2-chlorophenyl monothiophosphate, is an organophosphorus compound with the chemical formula C8H8ClO3PS. It is a colorless to pale yellow liquid with a pungent odor. Monothiophosphorsaeure-O,O-dimethylester-S-<2-chlor-phenylester> is primarily used as an intermediate in the synthesis of various pesticides, particularly in the production of organophosphorus insecticides. Due to its potential toxicity and environmental impact, it is essential to handle and dispose of this chemical with caution, adhering to strict safety guidelines and regulations.

4202-39-5

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Basic information
1. Product Name: Monothiophosphorsaeure-O,O-dimethylester-S-<2-chlor-phenylester>
2. Synonyms:
3. CAS NO:4202-39-5
4. Molecular Formula:
5. Molecular Weight: 252.658
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: Monothiophosphorsaeure-O,O-dimethylester-S-<2-chlor-phenylester>(CAS DataBase Reference)
10. NIST Chemistry Reference: Monothiophosphorsaeure-O,O-dimethylester-S-<2-chlor-phenylester>(4202-39-5)
11. EPA Substance Registry System: Monothiophosphorsaeure-O,O-dimethylester-S-<2-chlor-phenylester>(4202-39-5)
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: 4202-39-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4202-39-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,0 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4202-39:
(6*4)+(5*2)+(4*0)+(3*2)+(2*3)+(1*9)=55
55 % 10 = 5
So 4202-39-5 is a valid CAS Registry Number.

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