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63770-79-6

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63770-79-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63770-79-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,7,7 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 63770-79:
(7*6)+(6*3)+(5*7)+(4*7)+(3*0)+(2*7)+(1*9)=146
146 % 10 = 6
So 63770-79-6 is a valid CAS Registry Number.

63770-79-6Downstream Products

63770-79-6Relevant articles and documents

A convenient procedure for bis-esterification of cyclic anhydrides

Jana, Amit Kumar,Karmakar, Raju,Dinda, Bidyut Kumar,Mitra, Prithiba,Ghosh, Ketaki,Karmakar, Rajdip,Mal, Dipakranjan

, p. 975 - 979 (2012/10/29)

Aromatic and aliphatic cyclic anhydrides are chemoselectively and conveniently transformed to the corresponding diesters by the use of DBU and appropriate alkyl/allyl halides. This bis-esterification reaction has been exemplified mostly with dimethyl esters. But in some cases, mixed dialkyl esters are also prepared.

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