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1492057-09-6

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1492057-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1492057-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,2,0,5 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1492057-09:
(9*1)+(8*4)+(7*9)+(6*2)+(5*0)+(4*5)+(3*7)+(2*0)+(1*9)=166
166 % 10 = 6
So 1492057-09-6 is a valid CAS Registry Number.

1492057-09-6Relevant articles and documents

A facile asymmetric synthesis of Δ3-2-Hydroxybakuchiol, Bakuchiol and ent-Bakuchiol

Xu, Qian-Qian,Zhao, Qun,Shan, Guang-Sheng,Yang, Xi-Cheng,Shi, Qi-Yuan,Lei, Xinsheng

, p. 10739 - 10746 (2013/12/04)

A facile asymmetric synthesis of Δ3-2-Hydroxybakuchiol, Bakuchiol, and ent-Bakuchiol is described through one common intermediate bearing a chiral all-carbon quaternary carbon center, which involves stereoselectively unconjugated alkylation of the α,β-unsaturated imide bearing Evans' auxiliary, Takai-Utimoto reaction, Negishi reaction, and Heck reaction as key steps.

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