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126569-20-8

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126569-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126569-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,6 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 126569-20:
(8*1)+(7*2)+(6*6)+(5*5)+(4*6)+(3*9)+(2*2)+(1*0)=138
138 % 10 = 8
So 126569-20-8 is a valid CAS Registry Number.

126569-20-8Downstream Products

126569-20-8Relevant articles and documents

Chemistry of O-Silylated Ketene Acetals: Stereocontrolled Synthesis of 3-Benzoylamino-2,3-dideoxypentoses by a 1,3-Addition to Chiral Nitrones

Kita, Yasuyuki,Tamura, Osamu,Itoh, Fumio,Kishino, Hiroko,Miki, Takashi,et al.

, p. 2002 - 2007 (2007/10/02)

The stereochemistry of 1,3-addition of ketene acetals (1a,b) to the chiral nitrones (4a-d) derived from 2,3-O-isopropylidene-D-glyceraldehyde was examined.The reaction of ketene methyl tert-butyldimethylsilyl acetal (1a) with the N-benzylnitrone (4a) prod

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