(+/-)-9,11-dihydroxy-6,9-dihydro-5H-5r,9c-propeno-benzocycloheptene-6t,8,10syn,12-tetracarboxylic acid tetraethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23697-28-1

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Basic information
1. Product Name: (+/-)-9,11-dihydroxy-6,9-dihydro-5H-5r,9c-propeno-benzocycloheptene-6t,8,10syn,12-tetracarboxylic acid tetraethyl ester
2. Synonyms:
3. CAS NO:23697-28-1
4. Molecular Formula:
5. Molecular Weight: 502.518
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: (+/-)-9,11-dihydroxy-6,9-dihydro-5H-5r,9c-propeno-benzocycloheptene-6t,8,10syn,12-tetracarboxylic acid tetraethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: (+/-)-9,11-dihydroxy-6,9-dihydro-5H-5r,9c-propeno-benzocycloheptene-6t,8,10syn,12-tetracarboxylic acid tetraethyl ester(23697-28-1)
11. EPA Substance Registry System: (+/-)-9,11-dihydroxy-6,9-dihydro-5H-5r,9c-propeno-benzocycloheptene-6t,8,10syn,12-tetracarboxylic acid tetraethyl ester(23697-28-1)
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: 23697-28-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 23697-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,9 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23697-28:
(7*2)+(6*3)+(5*6)+(4*9)+(3*7)+(2*2)+(1*8)=131
131 % 10 = 1
So 23697-28-1 is a valid CAS Registry Number.

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