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198757-96-9

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198757-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198757-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,7,5 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 198757-96:
(8*1)+(7*9)+(6*8)+(5*7)+(4*5)+(3*7)+(2*9)+(1*6)=219
219 % 10 = 9
So 198757-96-9 is a valid CAS Registry Number.

198757-96-9Downstream Products

198757-96-9Relevant articles and documents

A practical synthesis of the ansa chain of benzenic ansamycin antibiotics: Total synthesis of an ansatrienol derivative

Kashin, Dmitry,Meyer, Axel,Wittenberg, Ruediger,Schoening, Kai-Uwe,Kamlage, Stefan,Kirschning, Andreas

, p. 304 - 319 (2007/10/03)

A practical and stereocontrolled synthetic approach towards the ansa chain of the benzenic ansamycins (mycotrienins) is described, which can be scaled up to multigram quantities. Key features of the synthesis are the formation of the Z-configured tri-subs

Total synthesis of (+)-mycotrienol and (+)-mycotrienin I

Panek, James S.,Masse, Craig E.

, p. 8290 - 8291 (2007/10/03)

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