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91652-59-4

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91652-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91652-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,5 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91652-59:
(7*9)+(6*1)+(5*6)+(4*5)+(3*2)+(2*5)+(1*9)=144
144 % 10 = 4
So 91652-59-4 is a valid CAS Registry Number.

91652-59-4Downstream Products

91652-59-4Relevant articles and documents

Synthese von N-(4-Aminobutyl)-16-aza-19-nonadecanlactam und N-(4-Aminobutyl)-17-aza-20-icosanlactam (Desoxoinandenin)

Waelchli, Rudolf,Guggisberg, Armin,Hesse, Manfred

, p. 2178 - 2185 (2007/10/02)

According to Scheme 1, the two homologous macrocyclic spermidine derivatives 12 ad 23 were synthesized.Key steps in both cases were two different types of ring-enlargement reactions.Compound 12 was identical with a degradation product of the naturally occurring spermidine akaloids of inandine-type.

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