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117844-95-8

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117844-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117844-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,4 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117844-95:
(8*1)+(7*1)+(6*7)+(5*8)+(4*4)+(3*4)+(2*9)+(1*5)=148
148 % 10 = 8
So 117844-95-8 is a valid CAS Registry Number.

117844-95-8Downstream Products

117844-95-8Relevant articles and documents

Acid Catalysed Condensation of Isoprene with Hydroxypropiophenones: Synthesis of 2,2-Dimethylchromans and Some New 2-Amino- and 2-Mercapto-4-aryl-5-methylthiazoles

Ahluwalia, V. K.,Nayal, Lalita,Bala, Shashi,Raghav, Sudha

, p. 629 - 632 (2007/10/02)

Condensation of hydroxypropiophenones with isoprene in the presence of orthophosphoric acid gives 3,4-dihydro-2,2-dimethylchromans (4a, 4b, 17 and 18) which have been used for the synthesis of some 2-amino-(7a, 7b, 12a and 12b) and 2-mercapto- (10a, 10b,

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