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1240493-88-2

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1240493-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240493-88-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,4,9 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1240493-88:
(9*1)+(8*2)+(7*4)+(6*0)+(5*4)+(4*9)+(3*3)+(2*8)+(1*8)=142
142 % 10 = 2
So 1240493-88-2 is a valid CAS Registry Number.

1240493-88-2Downstream Products

1240493-88-2Relevant articles and documents

Reactions of bromine-containing organozinc compounds derived from α,α-dibromo ketones with 2-arylmethylideneindan-1,3-diones and 5-arylmethylidene-2,2-dimethyl-1,3-dioxane-4,6-diones

Shchepin,Stepanyan,Silaichev,Ezhikova,Kodess

experimental part, p. 499 - 502 (2010/08/19)

Bromine-containing organozinc compounds generated from 1,1-dibromo-3,3- dimethylbutan-2-one reacted with 2-arylmethylideneindan-1,3-diones and 5-arylmethylidene-2,2-dimethyl-1,3-dioxane-4,6-diones to give 3-aryl-2-(2,2-dimethylpropanoyl)spiro[cyclopropane

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