Dehydro-D-isoascorbic acid phenylosazone, also known as DDA-PA, is a chemical compound derived from dehydro-D-isoascorbic acid (DDA) and phenylosazone. DDA is an isomer of ascorbic acid (vitamin C), but it lacks the biological activity of its parent compound. When combined with phenylosazone, a reagent used in analytical chemistry, the resulting compound, DDA-PA, is often utilized in the detection and quantification of metal ions, particularly copper and iron, in various samples. The formation of a colored complex between DDA-PA and metal ions allows for their identification and measurement through spectrophotometric methods, making it a valuable tool in chemical analysis and research.
3909-11-3
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Basic information
- Product Name: dehydro-D-isoascorbic acid phenylosazone
- Synonyms:
- CAS NO:3909-11-3
- Molecular Formula:
- Molecular Weight: 354.365
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: dehydro-D-isoascorbic acid phenylosazone(CAS DataBase Reference)
- NIST Chemistry Reference: dehydro-D-isoascorbic acid phenylosazone(3909-11-3)
- EPA Substance Registry System: dehydro-D-isoascorbic acid phenylosazone(3909-11-3)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 3909-11-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3909-11-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,0 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.Calculate Digit Verification of CAS Registry Number 3909-11:
(6*3)+(5*9)+(4*0)+(3*9)+(2*1)+(1*1)=93
93 % 10 = 3
So 3909-11-3 is a valid CAS Registry Number.
3909-11-3Upstream product
3909-11-3Downstream Products
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- 88165-05-3 Benzoic acid (4S,5S)-2,2-dimethyl-5-[5-oxo-1-phenyl-4-(phenyl-hydrazono)-4,5-dihydro-1H-pyrazol-3-yl]-[1,3]dioxolan-4-ylmethyl ester
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dehydro-D-isoascorbic acid phenylosazone
