2,2,4,4-D(4)-17β-Hydroxy-5α-androstan-3-on, also known as D4-Androstenedione, is a naturally occurring steroid hormone and a key intermediate in the biosynthesis of various sex hormones, including testosterone and estrogen. It is a 4,5-unsaturated steroid with a hydroxyl group at the 17β position and a ketone group at the 3 position. D4-Androstenedione plays a crucial role in the human endocrine system, as it is a precursor to other important hormones. It is synthesized in the adrenal glands, gonads, and placenta, and its levels can be influenced by various factors, such as age, sex, and hormonal imbalances. In addition to its physiological functions, D4-Androstenedione has been a subject of interest in sports and athletics due to its potential to enhance performance, although its use is banned by many sports organizations.

4273-47-6

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Basic information
1. Product Name: 2,2,4,4-D(4)-17β-Hydroxy-5α-androstan-3-on
2. Synonyms:
3. CAS NO:4273-47-6
4. Molecular Formula:
5. Molecular Weight: 294.414
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: 2,2,4,4-D(4)-17β-Hydroxy-5α-androstan-3-on(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,2,4,4-D(4)-17β-Hydroxy-5α-androstan-3-on(4273-47-6)
11. EPA Substance Registry System: 2,2,4,4-D(4)-17β-Hydroxy-5α-androstan-3-on(4273-47-6)
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: 4273-47-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4273-47-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,7 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4273-47:
(6*4)+(5*2)+(4*7)+(3*3)+(2*4)+(1*7)=86
86 % 10 = 6
So 4273-47-6 is a valid CAS Registry Number.

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