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97102-69-7

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97102-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97102-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,0 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97102-69:
(7*9)+(6*7)+(5*1)+(4*0)+(3*2)+(2*6)+(1*9)=137
137 % 10 = 7
So 97102-69-7 is a valid CAS Registry Number.

97102-69-7Relevant articles and documents

Methods for Pyranoannulation: An Approach to a New Class of Polyethers

Kozikowski, Alan P.,Ghosh, Arun K.

, p. 3017 - 3019 (2007/10/02)

Several methods have been developed for fusing a pyran ring to an existing pyran ring structure such that the ring oxygens assume a vicinal (ethylene glycol) relationship.The tricyclic structure 13, a previously unknown substance, was prepared through a combination of these methods.

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