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219851-76-0

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219851-76-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219851-76-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,8,5 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 219851-76:
(8*2)+(7*1)+(6*9)+(5*8)+(4*5)+(3*1)+(2*7)+(1*6)=160
160 % 10 = 0
So 219851-76-0 is a valid CAS Registry Number.

219851-76-0Downstream Products

219851-76-0Relevant academic research and scientific papers

Asymmetric borane reduction of prochiral ketones catalyzed by phosphinamides prepared from L-serine

Li, Kang-Ying,Zhou, Zheng-Hong,Wang, Li-Xin,Zhao, Guo-Feng,Choi, Michael C.K.,Zhou, Qi-Lin,Tang, Chu-Chi

, p. 288 - 291 (2003)

Synthesis of several new chiral phosphinamide catalysts with a proximal hydroxyl group from L-serine was described. These compounds have been successfully used in the asymmetric catalytic borans, reduction of prochiral ketones. The optically active second

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