330976-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330976-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,9,7 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 330976-37:
(8*3)+(7*3)+(6*0)+(5*9)+(4*7)+(3*6)+(2*3)+(1*7)=149
149 % 10 = 9
So 330976-37-9 is a valid CAS Registry Number.
330976-37-9Relevant articles and documents
Process for the preparation of the 2-oxoindole derivative, Ropinirole
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Page/Page column 5-6, (2010/02/13)
The present invention relates to a process for the preparation of Ropinirole comprising the step of cyclizing a compound of the formula15.
