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129143-85-7

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129143-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129143-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,4 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129143-85:
(8*1)+(7*2)+(6*9)+(5*1)+(4*4)+(3*3)+(2*8)+(1*5)=127
127 % 10 = 7
So 129143-85-7 is a valid CAS Registry Number.

129143-85-7Relevant articles and documents

A Short-step Synthesis of 14,15-Dinoreudesmanolides using Intramolecular Cyclization of an Allylsilane

Kuroda, Chiaki,Shimizu, Shigeru,Satoh, James Y.

, p. 519 - 524 (2007/10/02)

14,15-Dinoreudesman-12,6-olides, α-methylene-γ-lactones fused to a trans-decalin ring with all three possible stereochemistries, were synthesized from a simple dialdehyde monoacetal via intramolecular cyclization of ethyl 5-(2-formylcyclohexyl)-2-(trimeth

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