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74390-22-0

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74390-22-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74390-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74390-22:
(7*7)+(6*4)+(5*3)+(4*9)+(3*0)+(2*2)+(1*2)=130
130 % 10 = 0
So 74390-22-0 is a valid CAS Registry Number.

74390-22-0Relevant articles and documents

Conformational preferences of spirocyclic pentaoxyphosphoranes varying in ring size

Kumara Swamy,Day, Roberta O.,Holmes, Joan M.,Holmes, Robert R.

, p. 6095 - 6103 (2007/10/02)

New bicyclic pentaoxyphosphoranes 1-3 containing ring sizes varying from five to seven membered were synthesized by oxidative addition of a quinone or a diol to a cyclic phosphite. Variable-temperature solution 1H and 13C NMR studies

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