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1072840-21-1

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1072840-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1072840-21-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,8,4 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1072840-21:
(9*1)+(8*0)+(7*7)+(6*2)+(5*8)+(4*4)+(3*0)+(2*2)+(1*1)=131
131 % 10 = 1
So 1072840-21-1 is a valid CAS Registry Number.

1072840-21-1Downstream Products

1072840-21-1Relevant articles and documents

Iodocyclization of ethoxyethyl ethers to alkynes: A broadly applicable synthesis of 3-iodobenzo[b]furans

Okitsu, Takashi,Nakazawa, Daisuke,Taniguchi, Rie,Wada, Akimori

supporting information; experimental part, p. 4967 - 4970 (2009/05/31)

(Chemical Equation Presented) A wide variety of 3-iodobenzo[b]furans were readily prepared by iodocyclization of 2-alkynyl-1-(1-ethoxyethoxy)benzenes with the I(coll)2PF6-BF3-OEt2 combination. Aryl-, vinyiic-, a

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