3-methoxy-18,19-dinor-pregna-1,3,5(10),16-tetraen-20-one is a complex organic compound belonging to the steroid family. It is characterized by the absence of two carbon atoms at positions 18 and 19, and the presence of a 3-methoxy group. The molecule features a tetraen system, which is a conjugated diene with four carbon-carbon double bonds, and a ketone group at the 20th position. 3-methoxy-18,19-dinor-pregna-1,3,5⁽¹⁰⁾,16-tetraen-20-one is derived from the pregnane nucleus, which is a type of steroid with a cyclopentane ring fused to a pregnane ring system. The specific arrangement of double bonds and the functional groups give 3-methoxy-18,19-dinor-pregna-1,3,5⁽¹⁰⁾,16-tetraen-20-one unique chemical properties and potential applications in various fields, such as pharmaceuticals or chemical research.

4147-21-1

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Basic information
1. Product Name: 3-methoxy-18,19-dinor-pregna-1,3,5⁽¹⁰⁾,16-tetraen-20-one
2. Synonyms:
3. CAS NO:4147-21-1
4. Molecular Formula:
5. Molecular Weight: 296.409
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: 3-methoxy-18,19-dinor-pregna-1,3,5⁽¹⁰⁾,16-tetraen-20-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-methoxy-18,19-dinor-pregna-1,3,5⁽¹⁰⁾,16-tetraen-20-one(4147-21-1)
11. EPA Substance Registry System: 3-methoxy-18,19-dinor-pregna-1,3,5⁽¹⁰⁾,16-tetraen-20-one(4147-21-1)
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: 4147-21-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4147-21-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,4 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4147-21:
(6*4)+(5*1)+(4*4)+(3*7)+(2*2)+(1*1)=71
71 % 10 = 1
So 4147-21-1 is a valid CAS Registry Number.

4147-21-1Upstream product

4147-21-1Downstream Products

2299-98-1 18,19-Dinor-progesteron

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