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846543-29-1

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846543-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 846543-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,6,5,4 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 846543-29:
(8*8)+(7*4)+(6*6)+(5*5)+(4*4)+(3*3)+(2*2)+(1*9)=191
191 % 10 = 1
So 846543-29-1 is a valid CAS Registry Number.

846543-29-1Relevant articles and documents

PROCESSES OF MAKING SESQUITERPENOID TASHIRONIN, ITS ANALOGS AND THEIR USES

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Example 2, (2008/06/13)

The compound having the structure of the formula (genus of compound 1 excluding Tashironin or Debenzoyltashironin) wherein, R1 is H or Bz when no more than three of R8, R9, R10 and R11 are H, or R1 is Bn, (C1-C4) alkyl, or CF3; R2 is H, (C1-C4) aldyl, halide, OC(O) (C1-C4) alkyl, OC(O) Ph, or OCF3; R3 is p-toluene sulfonyloxy, methane sulfonyloxy, C(O) (C1-C4)alkyl, or OC(O) (C1-C4)alkyl, bond α is a single bond, and bond β is a double bond or R3 is O, bond α is a double bond and bond β is a single bond; R4 is H, I, Br, Cl, Si(CH3)3, (C1-C4)alkyl, or OCF3; R5 is OH, OSi (CH3)3, O(C1-C4)alkyl, or OCF3, and bond γ is a single bond, or R5 is O and bond γ is a double bond; R6 is H, (C1-C4) alkyl, or CF3.

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