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7037-29-8

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7037-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7037-29-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,3 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7037-29:
(6*7)+(5*0)+(4*3)+(3*7)+(2*2)+(1*9)=88
88 % 10 = 8
So 7037-29-8 is a valid CAS Registry Number.

7037-29-8Downstream Products

7037-29-8Relevant articles and documents

INTRAMOLECULAR CYCLIZATION OF N,N-Di(OLIGOOXYETHYLENE)AMINES: A NEW SYNTHESIS OF MONOAZA CROWN ETHERS

Maeda, Hirokazu,Furuyoshi, Shigeo,Nakatsuji, Yohji,Okahara, Mitsuo

, p. 3359 - 3362 (2007/10/02)

The reaction of N,N-di(oligooxyethylene)amines with arenesulfonyl chloride in the presence of alkali metal hydroxide was investigated.It was found that the monoarenesulfonates of N,N-di(oligooxyethylene)amines were first formed as intermediates, and their subsequent intramolecular cyclization gave N-unsubstituted monoaza crown ethers rather selectively.

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