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140655-37-4

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140655-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140655-37-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,5 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 140655-37:
(8*1)+(7*4)+(6*0)+(5*6)+(4*5)+(3*5)+(2*3)+(1*7)=114
114 % 10 = 4
So 140655-37-4 is a valid CAS Registry Number.

140655-37-4Downstream Products

140655-37-4Relevant articles and documents

Synthesis of 5-propynyloxycycloalkanepyrimidines and their selectivity and reactivity in intramolecular Diels-Alder reactions

Stolle, Werner A. W.,Veurink, Jacqueline M.,Marcelis, Antonius T. M.,Van Der Plas, Henk C.

, p. 1643 - 1656 (2007/10/02)

The 5-propynyloxycycloalkane pyrimidines IIIA (17-20), IIIB (21-24), and IIIC (25, 26) and the 5-(1-propynyloxyethyl) pyrimidines IIID (27,28), easily undergo intramolecular Diels-Alder reactions with inverse electron demand and a subsequent retro Diels-A

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