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130258-27-4

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130258-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130258-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,5 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130258-27:
(8*1)+(7*3)+(6*0)+(5*2)+(4*5)+(3*8)+(2*2)+(1*7)=94
94 % 10 = 4
So 130258-27-4 is a valid CAS Registry Number.

130258-27-4Relevant articles and documents

Ester manufacturing method (by machine translation)

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Paragraph 0079; 0080, (2017/02/17)

PROBLEM TO BE SOLVED: To produce an ester compound by transesterification using an inexpensive and low toxic inorganic compound. SOLUTION: Transesterification of an ester compound and an alcohol compound is carried out under the presence of lanthanum nitrate (for example, lanthanum nitrate hexahydrate) and a phosphine compound (for example, tri-n-octylphosphine), thereby obtaining the ester product. For example, transesterification of dimethyl carbonate and benzyl alcohol is carried out under the presence of 1 mol% of lanthanum nitrate hexahydrate, and 2 mol% of tri-n-octylphosphine, thereby obtaining benzyl methylcarbonate at a yield of >99%. COPYRIGHT: (C)2012,JPO&INPIT

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