1257065-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257065-29-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,0,6 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1257065-29:
(9*1)+(8*2)+(7*5)+(6*7)+(5*0)+(4*6)+(3*5)+(2*2)+(1*9)=154
154 % 10 = 4
So 1257065-29-4 is a valid CAS Registry Number.
1257065-29-4Relevant articles and documents
SPIRO EPOXIDES AS INTERMEDIATES
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Page/Page column 22, (2010/12/26)
The present invention provides compounds of formula (I) wherein the substituents are as defined in claim 1. The compounds are suitable intermediates in the preparation of herbicidally active 4-phenyl-3,5-pyrandiones, 4-phenyl-3,5-thiopyrandiones and 6-phenylcyclohexane-1,3,5-triones.
