134302-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134302-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,0 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134302-07:
(8*1)+(7*3)+(6*4)+(5*3)+(4*0)+(3*2)+(2*0)+(1*7)=81
81 % 10 = 1
So 134302-07-1 is a valid CAS Registry Number.
134302-07-1Relevant articles and documents
Processes for preparing intermediates
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Page/Page column 6-7, (2010/01/31)
The invention relates to processes for the preparation of compounds of formula (I), wherein R1and R2are as defined in the description.