683229-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683229-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,2,2 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 683229-45:
(8*6)+(7*8)+(6*3)+(5*2)+(4*2)+(3*9)+(2*4)+(1*5)=180
180 % 10 = 0
So 683229-45-0 is a valid CAS Registry Number.
683229-45-0Relevant articles and documents
PREPARATION OF SUBSTITUTED INDENES
-
Example 6, (2010/02/06)
The present invention relates to a simple process for preparing specifically substituted indenes of formula (I) or (Ia) to compounds of formula (II) serving as starting materials and to the use of the compounds of formula (II) as starting materials for the synthesis of substituted indenes.
