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88663-66-5

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88663-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88663-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,6,6 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 88663-66:
(7*8)+(6*8)+(5*6)+(4*6)+(3*3)+(2*6)+(1*6)=185
185 % 10 = 5
So 88663-66-5 is a valid CAS Registry Number.

88663-66-5Downstream Products

88663-66-5Relevant articles and documents

LONG-ACTING CONTRACEPTIVE AGENTS: ESTERS OF NORETHISTERONE WITH ALKOXY- AND HALOGENO-SUBSTITUTED CARBOXYLIC ACIDS

Shafiee, A.,Vossoghi, M.,Francisco, C. G.,Freire, R.,Hernandez, R.,et al.

, p. 285 - 290 (1983)

The chemical synthesis and physical data of several new esters of norethisterone (17α-ethynyl-17β-hydroxyestr-4-en-3-one) are reported, which contain either a chloro- or an alkoxy-group as a substituent in the acid side-chain.

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