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918799-20-9

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918799-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 918799-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,8,7,9 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 918799-20:
(8*9)+(7*1)+(6*8)+(5*7)+(4*9)+(3*9)+(2*2)+(1*0)=229
229 % 10 = 9
So 918799-20-9 is a valid CAS Registry Number.

918799-20-9Relevant articles and documents

Novel Intermediates, Process for Their Preparation and Process for the Preparation of Coq10 Employing the Said Novel Intermediates

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Page/Page column 17, (2008/12/08)

The present invention relates to an improved process for the preparation of Coenzyme Q. Coenzyme Q10 or CoQ10 has the chemical name 2-[(all-trans)-3,7,11,15,19,23,27,31,35,39-decamethyl-2,6,10,14,18,22,26,30,34,38-tetracontadecaenyl]-5,6-dimethoxy-3-methyl-1,4-benzoquinone and has the formula I. The invention also provides new intermediates useful for the preparation of CoQ10 and processes for their preparation.

NOVEL INTERMEDIATES, PROCESS FOR THEIR PREPARATION AND PROCESS FOR THE PREPARATION OF COQ10 EMPLOYING THE SAID NOVEL INTERMEDIATES

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Page/Page column 8; 16-17, (2008/06/13)

The present invention relates to an improved process for the preparation of Coenzyme Q. Coenzyme QlO or CoQlO has the chemical name 2- [(all -trans)- 3, 7,l l,15,19,23,27,31,35,39-decamethyl-2, 6, 10, 14, 18, 22, 26, 30, 34, 38 - tetracontadecaenyl]-5-6-dimethoxy -3- methyl -1,4-benzoquinone and has the formula 1. The invention also provides new intermediates useful for the preparation of CoQlO and processes for their preparation.

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