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857070-70-3

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857070-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857070-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,7 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857070-70:
(8*8)+(7*5)+(6*7)+(5*0)+(4*7)+(3*0)+(2*7)+(1*0)=183
183 % 10 = 3
So 857070-70-3 is a valid CAS Registry Number.

857070-70-3Relevant articles and documents

METHODS FOR PREPARING COMPOUNDS

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Page/Page column 29, (2020/07/15)

A method is provided for preparing a compound d having the formula: Formula (I). The method comprises carrying out the following reaction: Formula (i), (ii), (d) where: step (i) is carried out in the presence of a metal catalyst and a hydrogen source; and

METHODS FOR PREPARING FUEL ADDITIVES

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Page/Page column 35, (2019/07/17)

A method is provided for preparing a fuel additive having the formula: ( l ) The method comprises carrying out the following reactions: (i) addition of an alkylating agent b to starting material a: (a) to form an intermediate c; and (ii) ring closing intermediate c to form fuel additive e.

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