(1S,2R)-2-methylcyclopentanethiol is a chiral organic compound with the molecular formula C6H12S. It is a thiol, which means it contains a sulfur-hydrogen group (-SH), and is characterized by its distinct, strong odor. (1S,2R)-2-methylcyclopentanethiol is a derivative of cyclopentanethiol, with an additional methyl group attached to the second carbon atom. The stereochemistry of the compound is defined by the R and S configuration at the first and second carbon atoms, respectively, which influences its physical and chemical properties. It is used in the synthesis of various organic compounds and as a building block in the preparation of pharmaceuticals and other specialty chemicals. Due to its strong odor, it is also used in the fragrance industry and as a flavoring agent.

1638-94-4

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Basic information
1. Product Name: (1S,2R)-2-methylcyclopentanethiol
2. Synonyms: (1S,2R)-2-Methylcyclopentanethiol; cyclopentanethiol, 2-methyl-, (1S,2R)-; Cyclopentanethiol, 2-methyl-, cis-
3. CAS NO:1638-94-4
4. Molecular Formula: C₆H₁₂S
5. Molecular Weight: 116.22448
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: (1S,2R)-2-methylcyclopentanethiol(CAS DataBase Reference)
10. NIST Chemistry Reference: (1S,2R)-2-methylcyclopentanethiol(1638-94-4)
11. EPA Substance Registry System: (1S,2R)-2-methylcyclopentanethiol(1638-94-4)
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: 1638-94-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1638-94-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,3 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1638-94:
(6*1)+(5*6)+(4*3)+(3*8)+(2*9)+(1*4)=94
94 % 10 = 4
So 1638-94-4 is a valid CAS Registry Number.

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