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90840-19-0

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90840-19-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90840-19-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90840-19:
(7*9)+(6*0)+(5*8)+(4*4)+(3*0)+(2*1)+(1*9)=130
130 % 10 = 0
So 90840-19-0 is a valid CAS Registry Number.

90840-19-0Downstream Products

90840-19-0Relevant articles and documents

PREPARATION OF RIBOSYL DERIVATIVES OF 1,2,4-TRIAZOL-3(2H)-ONE AND 5-METHYL-1,2,4-TRIAZOL-3(2H)-ONE

Hrebabecky, Hubert,Beranek, Jiri

, p. 779 - 788 (2007/10/02)

Reaction of the silylated triazolone I with 2,3,5-tri-O-benzoyl-D-ribofuranosyl bromide afforded a mixture of the 4-ribosyltriazolone IXa and 2,3-diribosyltriazolone Xa.Under the same conditions the silylated 5-methyltriazolone II gives the 4-ribosyl deri

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