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1256452-00-2

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1256452-00-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256452-00-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,4,5 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1256452-00:
(9*1)+(8*2)+(7*5)+(6*6)+(5*4)+(4*5)+(3*2)+(2*0)+(1*0)=142
142 % 10 = 2
So 1256452-00-2 is a valid CAS Registry Number.

1256452-00-2Downstream Products

1256452-00-2Relevant articles and documents

Efficient approach to 3,3-bissilyl carbonyl and enol derivatives via retro-[1,4] brook rearrangement of 3-silyl allyloxysilanes

Song, Zhenlei,Lei, Zheng,Gao, Lu,Wu, Xia,Li, Linjie

, p. 5298 - 5301 (2010)

A facile and highly stereoselective retro-[1,4] Brook rearrangement of 3-silyl allyloxysilanes has been discovered. While basic hydrolysis of the formed (Z)-3,3-bissilyl lithium enolates provides 3,3-bissilyl carbonyl compounds efficiently, trapping the species with various electrophiles including alkyl halides leads to the exclusive O-substituted (Z)-3,3-bissilyl enol derivatives that can undergo a Sakurai reaction with aldehyde to produce the synthetically useful 1,2-diol diastereoselectively.

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