Ergosta-5,7,22-trien-3-one, also known as ergosterol, is a naturally occurring steroid compound found in the cell membranes of fungi, plants, and some protozoa. It is a key component in the synthesis of vitamin D2, which is produced when ergosterol is exposed to ultraviolet light. Ergosterol plays a crucial role in maintaining the fluidity and integrity of cell membranes, and it is also a precursor in the biosynthesis of other important compounds, such as steroid hormones and bile acids. Due to its widespread presence in nature and its biological significance, ergosterol has been extensively studied for its potential applications in various fields, including pharmaceuticals, nutraceuticals, and as a biomarker for fungal contamination in food products.

474-71-5

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Basic information
1. Product Name: ergosta-5,7,22-trien-3-one
2. Synonyms:
3. CAS NO:474-71-5
4. Molecular Formula:
5. Molecular Weight: 394.641
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: ergosta-5,7,22-trien-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: ergosta-5,7,22-trien-3-one(474-71-5)
11. EPA Substance Registry System: ergosta-5,7,22-trien-3-one(474-71-5)
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: 474-71-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 474-71-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 474-71:
(5*4)+(4*7)+(3*4)+(2*7)+(1*1)=75
75 % 10 = 5
So 474-71-5 is a valid CAS Registry Number.

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