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81238-43-9

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81238-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81238-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81238-43:
(7*8)+(6*1)+(5*2)+(4*3)+(3*8)+(2*4)+(1*3)=119
119 % 10 = 9
So 81238-43-9 is a valid CAS Registry Number.

81238-43-9Upstream product

81238-43-9Downstream Products

81238-43-9Relevant articles and documents

PHENYL SULFAMATE DERIVATIVES

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, (2008/06/13)

Phenyl sulfamate derivatives represented by the following formula or salts thereof have a powerful inhibitory effect on steroid sulfatase and are hence useful for the prophylaxis or treatment of diseases associated with steroids such as estrogens, such as breast cancer, corpus uteri cancer, endometrial hyperplasia, infertility, endometriosis, adenomyosis uteri, autoimmune disease, dementia or Alzheimer's disease. wherein R1 and R2 each independently represent a hydrogen atom or a lower alkyl group; R3 represents a hydrogen atom, a halogen atom, a lower alkyl group, -OSO2NR1R2, a lower alkanoylamino group, a nitro group or a cyano group; and A represents a substituted or unsubstituted phenyl group, a group of the formula -X-NR4R5, or the like.

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