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437718-40-6

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437718-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 437718-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,7,1 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 437718-40:
(8*4)+(7*3)+(6*7)+(5*7)+(4*1)+(3*8)+(2*4)+(1*0)=166
166 % 10 = 6
So 437718-40-6 is a valid CAS Registry Number.

437718-40-6Relevant articles and documents

An efficient and versatile synthesis of all structural types of acylpolyamine spider toxins

Nihei, Ken-ichi,Kato, Massuo J.,Yamane, Tetsuo,Konno, Katsuhiro

, p. 8335 - 8350 (2007/10/03)

An efficient and versatile synthesis of acylpolyamine spider toxins of all structural types classified by extensive MS analysis has been achieved. By using 2-nitrobenzenesulfonamide as an effective activating and/or protecting group (the Nosyl strategy),

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