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186801-20-7

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186801-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186801-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,8,0 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 186801-20:
(8*1)+(7*8)+(6*6)+(5*8)+(4*0)+(3*1)+(2*2)+(1*0)=147
147 % 10 = 7
So 186801-20-7 is a valid CAS Registry Number.

186801-20-7Relevant articles and documents

Efficient synthesis of new chiral 1,2-benzothiazin-3-one 1,1-dioxide derivatives via lateral lithiation of 3-N-mesitylenesulfonyl-1,3-oxazolidin-2-ones

Ould Aliyenne, Ahmed,Kra?em, Jamil,Kacem, Yakdhane,Ben Hassine, Béchir

, p. 1473 - 1475 (2008/09/18)

Chiral 3-N-mesitylenesulfonyl-1,3-oxazolidin-2-ones 4a-e derived from (l)- and (d)-amino acids 1a-e undergo lateral lithiation with lithium diisopropylamide and TMEDA in anhydrous THF to provide new optically-active 1,2-benzothiazin-3-one 1,1-dioxide deri

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