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304858-51-3

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304858-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 304858-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,8,5 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 304858-51:
(8*3)+(7*0)+(6*4)+(5*8)+(4*5)+(3*8)+(2*5)+(1*1)=143
143 % 10 = 3
So 304858-51-3 is a valid CAS Registry Number.

304858-51-3Downstream Products

304858-51-3Relevant articles and documents

Cyclic regimens using quinazolinone and benzoxazine derivatives

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, (2008/06/13)

This invention relates to cyclic combination therapies utilizing, in combination with progestins, estrogens, or both, compounds which are progesterone receptor antagonists of the general structure: wherein: R1and R2are H, CORA, or NRBCORA, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or heterocyclic; or R1and R2fuse to form 3 to 8 membered spirocyclic alkyl, alkenyl or heterocyclic rings; RAis H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl groups; RBis H or alkyl; R3is H, OH, NH2, CORCor alkyl, alkenyl, or alkynyl; RCis H, alkyl, aryl, alkoxy, or aminoalkyl; R4is H, halogen, CN, NO2, alkyl, alkynyl, alkoxy, amino or aminoalkyl; R5is benzene or 5- or 6-membered heterocyclic ring; R6is H or alkyl; G1is O, NR7, or CR7R8; G2is CO or CR7R8; provided that when G1is O, G2is CR7R8, and G1and G2cannot both be CR7R8; R7and R8are H or an optionally substituted alkyl, aryl, or heterocyclic moiety; or pharmaceutically acceptable salt thereof. These methods may be used for contraception or treatment and/or prevention of secondary amenorrhea, dysfunctional bleeding, uterine leiomyomata, endometriosis; polycystic ovary syndrome, carcinomas and adenocarcinomas of the endometrium, ovary, breast, colon, prostate, or minimization of side effects or cyclic menstrual bleeding. Additional uses of the invention include stimulation of food intake.

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