1-Methyl-3,17β-bis-tosyloxy-Δ1,3,5(10)-oestratrien is a complex organic compound with the molecular formula C27H30O6S2. It is a derivative of oestratrien, a naturally occurring steroid hormone, and features a methyl group at the 1st carbon, two tosyloxy groups (tosyl = 4-methylbenzenesulfonyl) at the 3rd and 17β carbons, and a Δ1,3,5(10) double bond pattern. 1-Methyl-3,17β-bis-tosyloxy-Δ^1,3,5(10)-oestratrien is significant in the field of organic chemistry and pharmaceuticals, particularly in the synthesis of steroidal compounds and hormones. Its structure allows for further functionalization and modification, making it a valuable intermediate in the development of new drugs and chemical entities.

6561-87-1

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Basic information
1. Product Name: 1-Methyl-3,17β-bis-tosyloxy-Δ^1,3,5(10)-oestratrien
2. Synonyms:
3. CAS NO:6561-87-1
4. Molecular Formula:
5. Molecular Weight: 594.793
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: 1-Methyl-3,17β-bis-tosyloxy-Δ^1,3,5(10)-oestratrien(CAS DataBase Reference)
10. NIST Chemistry Reference: 1-Methyl-3,17β-bis-tosyloxy-Δ^1,3,5(10)-oestratrien(6561-87-1)
11. EPA Substance Registry System: 1-Methyl-3,17β-bis-tosyloxy-Δ^1,3,5(10)-oestratrien(6561-87-1)
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: 6561-87-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6561-87-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,6 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6561-87:
(6*6)+(5*5)+(4*6)+(3*1)+(2*8)+(1*7)=111
111 % 10 = 1
So 6561-87-1 is a valid CAS Registry Number.

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