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112217-91-1

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112217-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112217-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,2,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112217-91:
(8*1)+(7*1)+(6*2)+(5*2)+(4*1)+(3*7)+(2*9)+(1*1)=81
81 % 10 = 1
So 112217-91-1 is a valid CAS Registry Number.

112217-91-1Downstream Products

112217-91-1Relevant articles and documents

REACTIONS WITH CHLOROSULFONYL/CHLOROCARBONYL ISOCYANATES: SYNTHESIS OF PYRROLO-1,2,4-BENZOTHIADIAZIN-3(2H)-ONE 1,1-DIOXIDES AND 1H-PYRROLOQUINAZOLINE-1,3(2H)-DIONES

Kamal, Ahmed,Reddy, Narender A. V.,Sattur, Prahlad B.

, p. 3397 - 3401 (2007/10/02)

6-Substituted 2,3-diphenylindoles on reaction with chlorosulfonyl/chlorocarbonyl isocyanates, followed by cyclization with aluminium chloride afforded 9-substituted 5,6-diphenylpyrrolo-1,2,4-benzothiadiazin-3(2H)-one, 1,1-dioxides 2 and 9-substituted 5,6-diphenyl-1H-pyrrolo-quinazoline-1,3(2H)-diones 3 respectively.In these reactions, an electron donating substituent such as methyl group at position 6 in indole is necessary for cyclization.

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