Oxaldehyde, also known as glyoxal, is a colorless, water-soluble liquid with the chemical formula C2H2O2. It is an organic compound that is classified as a dialdehyde, meaning it contains two aldehyde functional groups. Oxaldehyde is produced industrially through the oxidation of acetaldehyde and is used in various applications, including the synthesis of pharmaceuticals, dyes, and resins. It is also a key intermediate in the production of ethylene glycol and other chemicals. Due to its reactivity, oxaldehyde can be hazardous and is considered a potential carcinogen, necessitating proper handling and safety measures.

9005-91-8

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Basic information
1. Product Name: oxaldehyde
2. Synonyms: oxypolygelatine
3. CAS NO:9005-91-8
4. Molecular Formula: C2H2O2
5. Molecular Weight: 0
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: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: oxaldehyde(CAS DataBase Reference)
10. NIST Chemistry Reference: oxaldehyde(9005-91-8)
11. EPA Substance Registry System: oxaldehyde(9005-91-8)
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: 9005-91-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 9005-91-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 9005-91:
(6*9)+(5*0)+(4*0)+(3*5)+(2*9)+(1*1)=88
88 % 10 = 8
So 9005-91-8 is a valid CAS Registry Number.

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