Zinc, bis(chloromethyl)-, also known as bis(chloromethyl)zinc or Zn(CH2Cl)2, is an organozinc compound with the chemical formula Zn(CH2Cl)2. It is a colorless, highly reactive, and moisture-sensitive solid that is commonly used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the Negishi coupling reaction. This reaction involves the coupling of an organozinc reagent, such as bis(chloromethyl)zinc, with an organic halide in the presence of a transition metal catalyst, leading to the formation of new carbon-carbon bonds. Due to its high reactivity, bis(chloromethyl)zinc must be handled with extreme care under an inert atmosphere, such as nitrogen or argon, to prevent unwanted side reactions and decomposition.

91571-72-1

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Basic information
1. Product Name: Zinc, bis(chloromethyl)-
2. Synonyms:
3. CAS NO:91571-72-1
4. Molecular Formula: C2H4Cl2Zn
5. Molecular Weight: 164.35
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: Zinc, bis(chloromethyl)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Zinc, bis(chloromethyl)-(91571-72-1)
11. EPA Substance Registry System: Zinc, bis(chloromethyl)-(91571-72-1)
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: 91571-72-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91571-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,7 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91571-72:
(7*9)+(6*1)+(5*5)+(4*7)+(3*1)+(2*7)+(1*2)=141
141 % 10 = 1
So 91571-72-1 is a valid CAS Registry Number.

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