Benzenethiol, 2-(chloromethyl)-, also known as 2-(chloromethyl)benzenethiol or 2-chloromethylbenzenethiol, is an organic compound with the chemical formula C7H7ClS. It is a colorless to pale yellow liquid with a strong, unpleasant odor. Benzenethiol, 2-(chloromethyl)- is a derivative of benzenethiol, featuring a chloromethyl group attached to the benzene ring at the 2-position. It is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity, it is important to handle this chemical with care, as it can be toxic and may cause skin and eye irritation, as well as respiratory issues upon inhalation.

4521-40-8

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Basic information
1. Product Name: Benzenethiol, 2-(chloromethyl)-
2. Synonyms:
3. CAS NO:4521-40-8
4. Molecular Formula: C7H7ClS
5. Molecular Weight: 158.652
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: Benzenethiol, 2-(chloromethyl)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Benzenethiol, 2-(chloromethyl)-(4521-40-8)
11. EPA Substance Registry System: Benzenethiol, 2-(chloromethyl)-(4521-40-8)
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: 4521-40-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4521-40-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,2 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4521-40:
(6*4)+(5*5)+(4*2)+(3*1)+(2*4)+(1*0)=68
68 % 10 = 8
So 4521-40-8 is a valid CAS Registry Number.

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