"rac-3-methoxy-16,17-seco-14β-estratriene-(1,3,5(10))-dioic acid-(16,18)-18-methyl ester" is a complex organic compound with a molecular formula of C21H24O5. It is a derivative of estratriene, a class of steroidal compounds, and features a 3-methoxy group, a 16,17-seco structure, and a 14β-estratriene core. The compound has two carboxylic acid groups at positions 1 and 5, and an 18-methyl ester group at position 18. This molecule is a racemic mixture, indicating that it consists of equal parts of both the R and S enantiomers. It is likely to have applications in pharmaceutical or chemical research due to its structural similarity to natural estrogens, which are important hormones in the human body.

6889-68-5

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Basic information
1. Product Name: rac-3-methoxy-16.17-seco-14β-estratriene-(1.3.5(10))-dioic acid-(16.18)-18-methyl ester
2. Synonyms:
3. CAS NO:6889-68-5
4. Molecular Formula:
5. Molecular Weight: 346.423
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: rac-3-methoxy-16.17-seco-14β-estratriene-(1.3.5(10))-dioic acid-(16.18)-18-methyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: rac-3-methoxy-16.17-seco-14β-estratriene-(1.3.5(10))-dioic acid-(16.18)-18-methyl ester(6889-68-5)
11. EPA Substance Registry System: rac-3-methoxy-16.17-seco-14β-estratriene-(1.3.5(10))-dioic acid-(16.18)-18-methyl ester(6889-68-5)
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: 6889-68-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6889-68-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,8 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6889-68:
(6*6)+(5*8)+(4*8)+(3*9)+(2*6)+(1*8)=155
155 % 10 = 5
So 6889-68-5 is a valid CAS Registry Number.

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