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72091-41-9

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72091-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72091-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,9 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72091-41:
(7*7)+(6*2)+(5*0)+(4*9)+(3*1)+(2*4)+(1*1)=109
109 % 10 = 9
So 72091-41-9 is a valid CAS Registry Number.

72091-41-9Relevant articles and documents

Tetraethoxyallen: Aequivalent des fiktiven Malonester-dianions - Ein vielseitiger Synthesebaustein

Saalfrank, Rolf W.,Rost, Walter

, p. 328 - 329 (2007/10/02)

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