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143912-84-9

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143912-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143912-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,1 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 143912-84:
(8*1)+(7*4)+(6*3)+(5*9)+(4*1)+(3*2)+(2*8)+(1*4)=129
129 % 10 = 9
So 143912-84-9 is a valid CAS Registry Number.

143912-84-9Relevant articles and documents

Tetrahydrothiophene-catalyzed synthesis of benzo[n.1.0] bicycloalkanes

Ye, Long-Wu,Sun, Xiu-Li,Li, Chuan-Ying,Tang, Yong

, p. 1335 - 1340 (2007)

(Chemical Equation Presented) A catalytic intramolecular cyclopropanation for the preparation of benzobicyclic compounds with [n.1.0] units has been developed. In the presence of 20 mol % of tetrahydrothiophene, the reactions of compounds 2a-2h afford ver

THE SYNTHESIS OF A PORPHYRIN WITH A HYDROCARBON ENCAPSULATED FACE

Schnatter, Wayne F. K.,Almarsson, Oern,Bruice, Thomas C.

, p. 8687 - 8700 (2007/10/02)

The uniquely hydrocarbon-like capped porphyrin (C70H68N4), 1i, has been successfully prepared by a high dilution reaction of pyrrole with tetrakis-1,2,4,5--benzene 1h in the presence of boron trifluoride etherate.The aldehyde

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