4α-methyl-5α-cholest-7-en-3-one, also known as lanosterol, is a naturally occurring steroid compound that serves as an important intermediate in the biosynthesis of cholesterol. It is a 31-carbon polycyclic molecule with a unique structure, featuring a methyl group at the 4α position, a double bond at the 5α position, and a carbonyl group at the 3-one position. Lanosterol plays a crucial role in the conversion of squalene to cholesterol, acting as a precursor in the mevalonate pathway. 4α-methyl-5α-cholest-7-en-3-one is found in various organisms, including plants, animals, and fungi, and has been studied for its potential therapeutic applications in treating cholesterol-related disorders.

2789-43-7

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Basic information
1. Product Name: 4α-methyl-5α-cholest-7-en-3-one
2. Synonyms: 4α-methyl-5α-cholest-7-en-3-one
3. CAS NO:2789-43-7
4. Molecular Formula:
5. Molecular Weight: 398.673
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: 4α-methyl-5α-cholest-7-en-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 4α-methyl-5α-cholest-7-en-3-one(2789-43-7)
11. EPA Substance Registry System: 4α-methyl-5α-cholest-7-en-3-one(2789-43-7)
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: 2789-43-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2789-43-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2789-43:
(6*2)+(5*7)+(4*8)+(3*9)+(2*4)+(1*3)=117
117 % 10 = 7
So 2789-43-7 is a valid CAS Registry Number.

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