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198777-87-6

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198777-87-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198777-87-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,7,7 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 198777-87:
(8*1)+(7*9)+(6*8)+(5*7)+(4*7)+(3*7)+(2*8)+(1*7)=226
226 % 10 = 6
So 198777-87-6 is a valid CAS Registry Number.

198777-87-6Relevant articles and documents

Quinones XVII [1]. The first anthraquinone-(2,9): 1,3,4,5,8-pentamethyl-2,9-dihydro-2,9-anthracenedione

Boldt,Knoblauch,Riemenschneider

, p. 646 - 649 (1997)

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