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1569309-78-9

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1569309-78-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1569309-78-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,3,0 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1569309-78:
(9*1)+(8*5)+(7*6)+(6*9)+(5*3)+(4*0)+(3*9)+(2*7)+(1*8)=209
209 % 10 = 9
So 1569309-78-9 is a valid CAS Registry Number.

1569309-78-9Downstream Products

1569309-78-9Relevant articles and documents

Practical asymmetric catalytic synthesis of spiroketals and chiral diphosphine ligands

Wang, Xiaoming,Wang, Xubin,Guo, Peihua,Wang, Zheng,Ding, Kuiling

, p. 2900 - 2907 (2014/03/21)

A practical procedure has been developed for efficient synthesis of chiral aromatic spiroketals and the relevant diphosphine ligands. The procedure includes first asymmetric hydrogenation of readily available α, α'-bis(2-benzyloxyarylidene) ketones cat-al

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