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1448147-54-3

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1448147-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1448147-54-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,8,1,4 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1448147-54:
(9*1)+(8*4)+(7*4)+(6*8)+(5*1)+(4*4)+(3*7)+(2*5)+(1*4)=173
173 % 10 = 3
So 1448147-54-3 is a valid CAS Registry Number.

1448147-54-3Downstream Products

1448147-54-3Relevant articles and documents

Diastereospecific epoxidation and highly regioselective ring-opening of (+)-valienamine: Practical synthesis of (+)-valiolamine

Ji, Li,Zhang, Ding-Feng,Zhao, Qian,Hu, San-Ming,Qian, Chao,Chen, Xin-Zhi

, p. 7031 - 7037 (2013/07/26)

An efficient and practical synthesis of (+)-valiolamine starting from readily available aminocyclitol (+)-valienamine in five steps and up to 80% total yield in gram-scale quantities is reported. Diastereospecific epoxidation by means of substrate directable reaction and regioselective ring-opening of corresponding epoxide are the key reactions in the synthesis, which circumvent laborious purification of products using chromatographical separation. The detailed mechanisms of epoxidation and ring-opening attacked by halide, including the directing and steric hindrance effect, are also discussed.

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