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97311-37-0

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97311-37-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97311-37-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,1 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 97311-37:
(7*9)+(6*7)+(5*3)+(4*1)+(3*1)+(2*3)+(1*7)=140
140 % 10 = 0
So 97311-37-0 is a valid CAS Registry Number.

97311-37-0Relevant articles and documents

STUDIES IN SPIROHETEROCYCLES: PART X: REACTIONS OF DIAZOMETHANE WITH 3-AROYLMETHYLENE-INDOL-2-ONES AND SYNTHESIS OF SOME NOVEL FLUORINE CONTAINING SPIRO-2'(1'H)-ONES

Joshi, Krishna C.,Jain, Renuka,Arora, Seema

, p. 1835 - 1839 (2007/10/02)

Reaction of ethereal diazomethane with fluorinated 3-aroylmethylene-indol-2-ones has been investigated for the first time yielding spiro-2'(1'H)-ones.The structures of all compounds have been confirmed on the basis of elemental

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