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83986-42-9

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83986-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83986-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,8 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83986-42:
(7*8)+(6*3)+(5*9)+(4*8)+(3*6)+(2*4)+(1*2)=179
179 % 10 = 9
So 83986-42-9 is a valid CAS Registry Number.

83986-42-9Relevant articles and documents

Activated nitriles in heterocyclic synthesis. Synthesis of several new coumarin derivatives

Abdou,Fahmy,Khader,Elnagdi

, p. 985 - 991 (1982)

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