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821004-32-4

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821004-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 821004-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,1,0,0 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 821004-32:
(8*8)+(7*2)+(6*1)+(5*0)+(4*0)+(3*4)+(2*3)+(1*2)=104
104 % 10 = 4
So 821004-32-4 is a valid CAS Registry Number.

821004-32-4Downstream Products

821004-32-4Relevant articles and documents

Mononuclear heterocyclic rearrangement: Synthesis of [5:5] bicyclic [c]-fused 3-aminopyrazoles via the N-N bond formation strategy

Berry, David A.,Chien, Tun-Cheng,Townsend, Leroy B.

, p. 2475 - 2494 (2007/10/03)

The formation of [5:5] bicyclic heterocyclic ring systems containing [c]pyrazoles, i.e. imidazo[4,5-c]pyrazole, pyrazolo[3,4-c]pyrazole, pyrrolo-[2,3-c]pyrazole, and pyrazolo[3,4-d][1,2,3]triazole, was accomplished by mononuclear heterocyclic rearrangemen

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