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930803-47-7

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930803-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 930803-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,8,0 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 930803-47:
(8*9)+(7*3)+(6*0)+(5*8)+(4*0)+(3*3)+(2*4)+(1*7)=157
157 % 10 = 7
So 930803-47-7 is a valid CAS Registry Number.

930803-47-7Relevant articles and documents

Total synthesis of rapamycin

Maddess, Matthew L.,Tackett, Miles N.,Watanabe, Hidenori,Brennan, Paul E.,Spilling, Christopher D.,Scott, James S.,Osborn, David P.,Ley, Steven V.

, p. 591 - 597 (2008/02/01)

Rapamycin synthesis all wrapped up: A new convergent synthesis of rapamycin (1) is reported that involves a macroetherification/catechol tethering strategy for construction of the macrocyclic core of this intriguing natural product. Other studies on this commercialized potent immunosuppressant delineate new cell signaling pathways of relevance to cancer chemotherapy. (Chemical Equation Presented).

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