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55001-21-3

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55001-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55001-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,0 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55001-21:
(7*5)+(6*5)+(5*0)+(4*0)+(3*1)+(2*2)+(1*1)=73
73 % 10 = 3
So 55001-21-3 is a valid CAS Registry Number.

55001-21-3Downstream Products

55001-21-3Relevant articles and documents

Trimethylsilyl triflate promoted 1,4-addition of silyl phosphites to cyclic enones

Mori, Ichiro,Kimura, Yoko,Nakano, Toshihito,Matsunaga, Shin-Ichiro,Iwasaki, Genji,Ogawa, Atsuko,Hayakawa, Kenji

, p. 3543 - 3546 (2007/10/03)

A catalytic amount of trimethylsilyl triflate (TMSOTf) remarkably facilitates the selective conugate addition of a variety of silyl phosphites, prepared in situ from dialkyl phosphites and N,O-bis(trimethylsily)acetamide, to cyclic enones giving 1,4-adducts in high yields.

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