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71559-40-5

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71559-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71559-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,5 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71559-40:
(7*7)+(6*1)+(5*5)+(4*5)+(3*9)+(2*4)+(1*0)=135
135 % 10 = 5
So 71559-40-5 is a valid CAS Registry Number.

71559-40-5Downstream Products

71559-40-5Relevant articles and documents

ADDITION OF IODINE-BASED ELECTROPHILIC REAGENTS TO SOME VINYLSILANES

Grayson, Elizabeth J.,Witham, Gordon H.

, p. 4087 - 4094 (2007/10/02)

The addition of some iodine-based electrophilic reagents to the cyclic vinylsilanes (1) and (4, R=But, R1=H) and (4, R=H, R1=OMe) occurs with high regio- and stereo-specificity to give (2, X=OMe, N3 and NCS) and (5, R=But, R1=H, X=OMe and N3) and (5, R=H, R1=OMe, X=OMe).Similar additions to 2-trimethylsilylhept-1-ene (6) are less efficient and occur with lower regioselectivity.Some of the adducts (2) and (5) have been transformed into functionalised organosilanes.Compounds (10, X=OMe, N3, and NCS) and (12)-(15) are thereby obtained.

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