β-(E)-Styrene sulfonyl hydrazide, also known as ESS-H, is a chemical compound with the molecular formula C8H10N2O2S. It is a derivative of styrene, featuring a sulfonyl group (-SO2-) and a hydrazide group (-NHNH2) attached to the β-carbon of the styrene molecule. β-(E)-styrene sulfonyl hydrazide is primarily used as a reagent in the detection and quantification of carbonyl compounds, such as aldehydes and ketones, through a reaction known as the ESS-H method. The reaction involves the formation of a stable, colored hydrazone derivative, which can be analyzed spectrophotometrically. ESS-H is particularly useful in the analysis of complex biological samples, such as proteins and lipids, where carbonyl groups may indicate oxidative stress or damage.

13736-05-5

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Basic information
1. Product Name: β-(E)-styrene sulfonyl hydrazide
2. Synonyms: β-(E)-styrene sulfonyl hydrazide
3. CAS NO:13736-05-5
4. Molecular Formula:
5. Molecular Weight: 198.246
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: β-(E)-styrene sulfonyl hydrazide(CAS DataBase Reference)
10. NIST Chemistry Reference: β-(E)-styrene sulfonyl hydrazide(13736-05-5)
11. EPA Substance Registry System: β-(E)-styrene sulfonyl hydrazide(13736-05-5)
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: 13736-05-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 13736-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,3 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13736-05:
(7*1)+(6*3)+(5*7)+(4*3)+(3*6)+(2*0)+(1*5)=95
95 % 10 = 5
So 13736-05-5 is a valid CAS Registry Number.

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