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147624-55-3

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147624-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147624-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,6,2 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 147624-55:
(8*1)+(7*4)+(6*7)+(5*6)+(4*2)+(3*4)+(2*5)+(1*5)=143
143 % 10 = 3
So 147624-55-3 is a valid CAS Registry Number.

147624-55-3Relevant articles and documents

Synthesis of calycotomine and N-methylcalycotomine using a petasis reaction-pomeranz-fritsch-bobbitt cyclization sequence

Chrzanowska, Maria,Grajewska, Agnieszka,Rozwadowska, Maria D.

, p. 1119 - 1127 (2013/08/15)

The use of aminoacetaldehyde acetals as the amine components in the one-step, three-component Petasis reaction followed by the Pomeranz-Fritsch- Bobbitt cyclization has been shown to be a convenient and simple method for the synthesis of tetrahydroisoquinoline alkaloids. Using this method two alkaloids, calycotomine and N-methylcalycotomine hydrochlorides, have been prepared in 61% overall yield.

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