198414-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198414-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,4,1 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 198414-30:
(8*1)+(7*9)+(6*8)+(5*4)+(4*1)+(3*4)+(2*3)+(1*0)=161
161 % 10 = 1
So 198414-30-1 is a valid CAS Registry Number.
198414-30-1Relevant articles and documents
PROCESS FOR THE PRODUCTION OF 21 -METHOXY-11 -BETA-PHENYL-19-NOR-PREGNA-4,9-DIENE-3,20-DIONE DERIVATIVES
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Page/Page column 10-11, (2015/09/22)
The present invention relates to a process for the synthesis of compounds of formula (I), (I) wherein the meaning of R is dimethylamino or acetyl group, using the compound of formula (III) or (IV), wherein the meaning of R' is dimethylamino or 2-methyl-l,
