Methyl ethylphosphonofluoridate, commonly known as sarin, is a highly toxic, colorless, and odorless nerve agent that was first developed in 1938 in Germany. It is classified as a G-series nerve agent, specifically G27, and is known for its rapid onset and extreme potency. Sarin works by inhibiting the enzyme acetylcholinesterase, which is crucial for breaking down the neurotransmitter acetylcholine in the nervous system. This inhibition leads to an accumulation of acetylcholine, causing overstimulation of muscles and glands, ultimately leading to respiratory failure and death. Sarin is highly volatile and can be absorbed through the skin, inhaled, or ingested, making it a dangerous chemical weapon with potential for rapid and widespread effects. It has been used in several instances of chemical warfare and terrorism, highlighting the need for strict control and prevention of its production and use.

665-03-2

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Basic information
1. Product Name: methyl ethylphosphonofluoridate
2. Synonyms: methyl ethylphosphonofluoridate;ZDJWQJGNAPPOHA-UHFFFAOYSA-N
3. CAS NO:665-03-2
4. Molecular Formula: C₃H₈FO₂P
5. Molecular Weight: 126.07
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 665-03-2.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 46-48 °C(Press: 12 Torr)
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.105±0.06 g/cm3(Predicted)
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: methyl ethylphosphonofluoridate(CAS DataBase Reference)
10. NIST Chemistry Reference: methyl ethylphosphonofluoridate(665-03-2)
11. EPA Substance Registry System: methyl ethylphosphonofluoridate(665-03-2)
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: 665-03-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 665-03-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 665-03:
(5*6)+(4*6)+(3*5)+(2*0)+(1*3)=72
72 % 10 = 2
So 665-03-2 is a valid CAS Registry Number.

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