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145164-84-7

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145164-84-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145164-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,1,6 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145164-84:
(8*1)+(7*4)+(6*5)+(5*1)+(4*6)+(3*4)+(2*8)+(1*4)=127
127 % 10 = 7
So 145164-84-7 is a valid CAS Registry Number.

145164-84-7Relevant articles and documents

Kusner,Garrett

, p. 521,524 (1971)

A Total Synthesis of Estradiol and its 6,6-Dimethyl Analogue

Collins, Mark A.,Jones, D. Neville

, p. 4467 - 4470 (2007/10/02)

A short, stereoselective synthesis of estradiol, and its 6,6-dimethyl analogue, was accomplished from non-steroidal starting materials.A key feature was the use of a benzothiophene unit to effect (i) the stereoselective formation of the required 8β-H c

Syntheses of Seleno Estrogens

Arunachalam, Thangavel,Caspi, Eliahu

, p. 3415 - 3420 (2007/10/02)

The syntheses of phenylseleno and methylseleno analogues of estradiol are described.

Asymmetric total synthesis of estradiol by an intramolecular cycloaddition of benzocyclobutene derivative

Kametani,Matsumoto,Nemoto,Fukumoto

, p. 6218 - 6220 (2007/10/06)

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