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1346253-45-9

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1346253-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1346253-45-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,6,2,5 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1346253-45:
(9*1)+(8*3)+(7*4)+(6*6)+(5*2)+(4*5)+(3*3)+(2*4)+(1*5)=149
149 % 10 = 9
So 1346253-45-9 is a valid CAS Registry Number.

1346253-45-9Downstream Products

1346253-45-9Relevant academic research and scientific papers

Asymmetric synthesis of O-alkylated tetronic acid derivatives via an organocatalytic Mannich reaction and subsequent intramolecular cyclization

Luo, Nian-Hua,Sun, Xiang,Yan, Yun-Yun,Nie, Shao-Zhen,Yan, Ming

, p. 1536 - 1541 (2011)

The organocatalytic asymmetric Mannich reaction of ethyl 4-chloro-3-oxobutanoate with N-Boc-imines has been studied and Cinchona alkaloids and chiral thiourea-tertiary amines were evaluated as catalysts. A pyrrolidine-based thiourea-tertiary amine was ide

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