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121537-74-4

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121537-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121537-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,3 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121537-74:
(8*1)+(7*2)+(6*1)+(5*5)+(4*3)+(3*7)+(2*7)+(1*4)=104
104 % 10 = 4
So 121537-74-4 is a valid CAS Registry Number.

121537-74-4Relevant articles and documents

A Synthesis of Seco-mesembrane Alkaloids, (+/-)-Joubertiamine, (+/-)-Joubertinamine, and (+/-)-Epijoubertinamine

Hoshino, Osamu,Ishizaki, Miyuki,Sawaki, Shohei,Yuasa, Masayuki,Umezawa, Bunsuke

, p. 3373 - 3380 (2007/10/02)

A synthesis of seco-mesembrane alkaloids, (+/-)-joubertiamine (4), (+/-)-joubertinamine (5), and (+/-)-epijoubertinamine (6), was accomplished starting with 2-allyl-2-aryl-5,5-ethylenedioxycyclohexanones (10 and 3), which are readily available by allylati

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