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335164-91-5

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335164-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 335164-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,1,6 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 335164-91:
(8*3)+(7*3)+(6*5)+(5*1)+(4*6)+(3*4)+(2*9)+(1*1)=135
135 % 10 = 5
So 335164-91-5 is a valid CAS Registry Number.

335164-91-5Relevant articles and documents

Preparation of tetrahydrofuran, γ-lactone, chromanol and pyrrolidine systems by sequential 5-exo-digonal radical cyclization, 1,5-hydrogen transfer from silicon, and 5-endo-trigonal cyclization

Clive, Derrick L. J.,Yang, Wen

, p. 1605 - 1606 (1996)

Sequential 5-exo-digonal radical closure, intramolecular 1,5-hydrogen transfer from silicon to carbon, and 5-endo-trigonal closure of the resulting silicon-centred radicals are used to make five- and six-membered heterocycles containing oxygen or nitrogen.

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