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81980-06-5

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81980-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81980-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,8 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81980-06:
(7*8)+(6*1)+(5*9)+(4*8)+(3*0)+(2*0)+(1*6)=145
145 % 10 = 5
So 81980-06-5 is a valid CAS Registry Number.

81980-06-5Downstream Products

81980-06-5Relevant articles and documents

Alkylaluminum Halide Induced Cyclization of Unsaturated Carbonyl Compounds

Snider, Barry B.,Karras, Michael,Price, Robert T.,Rodini, David J.

, p. 4538 - 4545 (2007/10/02)

2,6-Dimethyl-5-heptenal (3) and 5-octenal (24) undergo concerted ene reactions with 1 equiv of Me2AlCl and cation-olefin cyclizations with 2 equiv of Me2AlCl, MeAlCl2, or EtAlCl2 to give a zwitterion which reacts to give several products including an ene

Alkylaluminium Chloride Induced Cyclization of Unsaturated Carbonyl Compounds

Karras, Michael,Snider, Barry B.

, p. 7951 - 7953 (2007/10/02)

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