345901-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345901-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,9,0 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 345901-67:
(8*3)+(7*4)+(6*5)+(5*9)+(4*0)+(3*1)+(2*6)+(1*7)=149
149 % 10 = 9
So 345901-67-9 is a valid CAS Registry Number.
345901-67-9Relevant academic research and scientific papers
Process for preparing17alpha-acetoxy-11beta-[4-n,n(dimethylamino)phenyl]-21-methoxy-19-norpregna-4,9-diene -3,20-dione, intermediates useful in the process , and processes for preparing such intermediates
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, (2008/06/13)
A compound having general formula (I) in which R1 is a member selected from the group consisting of —OCH3, —SCH3, —N(CH3)2, —NHCH3, —CHO, —COCH3 and —CHOHCH3; R2