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720712-37-8

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720712-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 720712-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,7,1 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 720712-37:
(8*7)+(7*2)+(6*0)+(5*7)+(4*1)+(3*2)+(2*3)+(1*7)=128
128 % 10 = 8
So 720712-37-8 is a valid CAS Registry Number.

720712-37-8Relevant articles and documents

Enantioselective [4 + 2] cycloadditions of o-quinone methides: Total synthesis of (+)-mimosifoliol and formal synthesis of (+)-tolterodine

Selenski, Carolyn,Pettus, Thomas R. R.

, p. 9196 - 9203 (2007/10/03)

The first example of an enantioselective cycloaddition of an o-quinone methide (o-QM) with a chiral enol ether is described along with the total synthesis of (+)-mimosifoliol and the formal synthesis of (+)-tolterodine. These syntheses exemplify a three-c

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