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1296689-77-4

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1296689-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1296689-77-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,6,6,8 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1296689-77:
(9*1)+(8*2)+(7*9)+(6*6)+(5*6)+(4*8)+(3*9)+(2*7)+(1*7)=234
234 % 10 = 4
So 1296689-77-4 is a valid CAS Registry Number.

1296689-77-4Downstream Products

1296689-77-4Relevant articles and documents

A stereoselective approach to 6-alkylated piperidinone & 2-piperidine via three-component vinylogous Mannich reactions (VMR) and a concise synthesis of (S)-anabasine

Yang, Yang,Phillips, Dean P.,Pan, Shifeng

, p. 1549 - 1552 (2011/04/26)

A three-component diastereoselective vinylogous Mannich-type reaction (VMR) with the silyl ketene acetal (1) was developed. Adducts from the reactions provided valuable intermediates for construction of a variety of chiral 6-alkylated piperidinone and 2-piperidine compounds. The strategy was applied in a concise synthesis (S)-anabasine.

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