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1138335-01-9

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1138335-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1138335-01-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,3,3 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1138335-01:
(9*1)+(8*1)+(7*3)+(6*8)+(5*3)+(4*3)+(3*5)+(2*0)+(1*1)=129
129 % 10 = 9
So 1138335-01-9 is a valid CAS Registry Number.

1138335-01-9Downstream Products

1138335-01-9Relevant articles and documents

Highly regioselective rearrangement of 2,3-diaryl-oxiranes into 2,2-diarylacetaldehydes catalyzed by ytterbium porphyrin complex, Yb(TPP)OTf

Takanami, Toshikatsu,Nakajima, Shin-ichiro,Nakadai, Shoichi,Hino, Fumio,Suda, Kohji

experimental part, p. 365 - 374 (2009/09/06)

[5,10,15,20-Tetraphenylporphynato]ytterbium(III) triflate, Yb(TPP)-OTf, is an efficient Lewis acid catalyst for the highly regioselective rearrangement of 2,3-diaryloxiranes into 2,2-diarylacetaldehydes. The catalytic process can be easily performed not only in dichloroethane but also in a more environmentally friendly solvent, benzotrifluoride.

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