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815581-66-9

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815581-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 815581-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,5,8 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 815581-66:
(8*8)+(7*1)+(6*5)+(5*5)+(4*8)+(3*1)+(2*6)+(1*6)=179
179 % 10 = 9
So 815581-66-9 is a valid CAS Registry Number.

815581-66-9Downstream Products

815581-66-9Relevant articles and documents

The application of chiral amino thiols as catalysts in the enantioselective addition of diethylzinc to aldehydes

Tseng, Shi-Liang,Yang, Teng-Kuei

, p. 3375 - 3380 (2004)

Starting from (S)-(-)-valine, a series of new chiral amino thiol and corresponding thioacetate ligands were prepared in an efficient manner and applied in the asymmetric diethylzinc addition to aldehydes with excellent enantioselectivity as high as 99% ee

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