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197916-04-4

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197916-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197916-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,1 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 197916-04:
(8*1)+(7*9)+(6*7)+(5*9)+(4*1)+(3*6)+(2*0)+(1*4)=184
184 % 10 = 4
So 197916-04-4 is a valid CAS Registry Number.

197916-04-4Relevant articles and documents

The First Total Synthesis of Tricolorin A

Lu, Shou-Fu,O'yang, QinQin,Guo, Zhong-Wu,Yu, Biao,Hui, Yong-Zheng

, p. 2344 - 2346 (2007/10/03)

Keywords: glycosylations; macrocycles; one-pot reactions; total synthesis; tricolorin A

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