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1519887-51-4

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1519887-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1519887-51-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,1,9,8,8 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1519887-51:
(9*1)+(8*5)+(7*1)+(6*9)+(5*8)+(4*8)+(3*7)+(2*5)+(1*1)=214
214 % 10 = 4
So 1519887-51-4 is a valid CAS Registry Number.

1519887-51-4Relevant articles and documents

Synthesis of chiral building blocks for oxygenated terpenoids through a simultaneous and stereocontrolled construction of contiguous quaternary stereocenters by an ireland-claisen rearrangement

Akahori, Yoshihiro,Yamakoshi, Hiroyuki,Sawayama, Yuki,Hashimoto, Shunichi,Nakamura, Seiichi

, p. 720 - 735 (2014/04/03)

Methods for highly stereocontrolled syntheses of chiral building blocks with a triad of contiguous stereocenters, including two quaternary ones, have been developed. Ireland-Claisen rearrangement of the (Z)-silyl ketene acetal generated stereoselectively

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