(20S)-20-Formyl-pregna-4,6-dien-3-one is a chemical compound with the molecular formula C21H26O3. It is a derivative of pregnane, a steroid with a cyclopentane ring fused to a hydrocarbon ring. This specific compound features a formyl group (an aldehyde functional group) at the 20th carbon position, which distinguishes it from other pregnane derivatives. It is known for its potential applications in the synthesis of various pharmaceuticals and biologically active compounds, particularly those related to the steroidal hormone family. The chiral center at the 20th position, indicated by the "20S" notation, signifies the specific three-dimensional arrangement of the molecule, which is crucial for its biological activity and interactions.

3946-26-7

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Basic information
1. Product Name: (20S)-20-formyl-pregna-4,6-dien-3-one
2. Synonyms: (20S)-20-formyl-pregna-4,6-dien-3-one
3. CAS NO:3946-26-7
4. Molecular Formula:
5. Molecular Weight: 326.479
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: (20S)-20-formyl-pregna-4,6-dien-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: (20S)-20-formyl-pregna-4,6-dien-3-one(3946-26-7)
11. EPA Substance Registry System: (20S)-20-formyl-pregna-4,6-dien-3-one(3946-26-7)
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: 3946-26-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3946-26-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,4 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3946-26:
(6*3)+(5*9)+(4*4)+(3*6)+(2*2)+(1*6)=107
107 % 10 = 7
So 3946-26-7 is a valid CAS Registry Number.

3946-26-7Upstream product

3946-26-7Downstream Products

57-87-4 ergosta-5,7,22-triene-3β-ol

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