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75983-89-0

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75983-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75983-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75983-89:
(7*7)+(6*5)+(5*9)+(4*8)+(3*3)+(2*8)+(1*9)=190
190 % 10 = 0
So 75983-89-0 is a valid CAS Registry Number.

75983-89-0Downstream Products

75983-89-0Relevant articles and documents

NEW BIS- AND TRIS-ANNULATION REAGENTS FOR THE SYNTHESIS OF CD RINGS OF STEROIDS, BEARING A FUNCTIONALIZED 18-METHYL GROUP, BY THE PALLADIUM CATALYZED CYCLIZATION

Tsuji, Jiro,Kobayashi, Yuichi,Kataoka, Hideaki,Takahashi, Takashi

, p. 3393 - 3394 (1980)

2-Substituted 2-alkoxycarbonyl-3-vinylcyclopentanones (2), easily prepared by the palladium-catalyzed cyclisation of 2-substituted 3-oxo-8-phenoxy-6-octenoates (1), are very suitable building blocks for CD rings of steroids, bearing particularly a functionalized l8-methyl group.

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