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1453859-74-9

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1453859-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1453859-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,3,8,5 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1453859-74:
(9*1)+(8*4)+(7*5)+(6*3)+(5*8)+(4*5)+(3*9)+(2*7)+(1*4)=199
199 % 10 = 9
So 1453859-74-9 is a valid CAS Registry Number.

1453859-74-9Downstream Products

1453859-74-9Relevant articles and documents

Synthesis of Z-alkenes from Rh(I)-catalyzed olefin isomerization of β,γ-unsaturated ketones

Zhuo, Lian-Gang,Yao, Zhong-Ke,Yu, Zhi-Xiang

, p. 4634 - 4637 (2013/10/08)

Developing olefin isomerization reactions to reach kinetically controlled Z-alkenes is challenging because formation of trans-alkenes is thermodynamically favored under the traditional catalytic conditions using acids, bases, or transition metals as the catalysts. A new synthesis of Z-alkenes from Rh(I)-catalyzed olefin isomerization of β,γ-unsaturated ketones to α,β-unsaturated ketones was developed, providing an easy and efficient way to access various Z-enones.

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